NPTEL Artificial Intelligence: Knowledge Representation And Reasoning Week 10 Assignment Answers 2025
1. The Charlie Chaplin video shown in the lecture demonstrates that ______________.
- Charlie Chaplin was good at magic tricks
- our preconceived notion of human faces makes it difficult for us to see a hollow face
- the human brain uses top down understanding to make sense of the input visual signals
- what we see with our eyes is the actual reality
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2. The program written by Wendy Lehnert for answering questions was ______________ .
- ChatCD
- GPT0
- QUALM
- HELPDESK
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3. The semantics of natural language sentences _____________ .
- is captured in a large language model trained on millions of sentences
- can be captured by mapping natural language to predicates in FOL that define a domain
- is derived from the syntactic structure of the sentences
- must be defined by mapping onto a conceptual base
- is captured in a large language model trained on millions of sentences
- can be captured by mapping natural language to predicates in FOL that define a domain
- is derived from the syntactic structure of the sentences
- must be defined by mapping onto a conceptual base
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4. Top down understanding involves _______________ .
- processing text from top to bottom
- an attempt to match incoming information with existing representations
- syntactic analysis followed by semantic analysis
- generating expectations from unfilled slots in existing representations
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5. In CD theory the given C-diagram represents ________________ .
- John manufactures fertilizer
- John deals in fertilizer wholesale
- John is doing something with the fertilizer
- John is buying the fertilizer
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6. The CD theory is ______________ .
- a representation scheme based on a small set of predicate names
- an attempt to identify a small set of actions for everyday world
- an attempt to represent the meaning of natural language words
- A study of the etymology of English language words
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7. A conceptualization in CD theory is ______________ .
- the process of devising a plan for a goal
- the equivalent of a well formed formula in a formal logic
- a description of a basic event or action
- a description of a state in the domain
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8. Which of the following hold for the CD theory?
- Every verb in English language is a conceptual action
- Nominals stand for objects and people
- Actions are acts done by nominals
- Dependency in CD refers to dependence on English grammar
- A Tamil sentence can be mapped to CD theory
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9. A state variable in CD theory _______________ .
- describes the state of the narrative in a story
- is a variable designed to represent many linguistic words for states
- can represent diametrically opposite states like ‘happy’ and ‘sad”
- corresponds to the state of processing a linguistic utterance
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10. In CD theory, the term PTRANS _____________ .
- is a conceptual action
- stands for Physical TRANSfer
- represents transfer of possession of a physical object
- is used to model the meaning of words like give, take, and buy
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11. In CD theory, the term ATRANS ______________ .
- s a conceptual action
- stands for Physical Transfer
- represents transfer of possession of a physical object
- is used to model the meaning of words like give, take, and buy
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12. A program constructing a conceptualization using ATRANS _____________ .
- will infer that the object has a new owner
- identify the giver and the recipient
- infer that the object has been physically transferred
- infer that both the recipient and giver now possess the object
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13. The CD action MBUILD _____________ .
- can be used to identify a causal build up in the story
- can be used to represent an actor making an inference
- is a process of building a makefile for the story
- none of the above
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14. The CD representation of “Sneha bought an ice-cream and ate it” _____________ .
- would involve the use of one instance of ATRANS
- would involve the use of two instances of ATRANS
- implies the use of an online transaction
- implies the use of cash
- implies the use of a mobile phone based transaction
- would normally imply the use of PRANS of the ice-cream
- would involve the use of INGEST by Sneha
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15. Verbs in a language like English ___________ .
- always refer to conceptual actions
- may sometimes refer to a change of conceptual state
- never refer to a change of conceptual state
- may not refer to a conceptual action
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16. Verbs like kill, hate and love ___________ .
- are ACTS in CD theory
- are represented by states or state changes in CD theory
- involve a causal relation in CD theory
- cannot be represented in CD theory
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17. Verbs like remember and forget _____________ .
- refer to movement of information in between compartments in memory models
- require the use of the CD actions PTRANS
- require the use of the CD action MTRANS
- involve deleting information in one location and storing it in another
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18. Which of the following are true given the sentence “Ganga saw the Godavari flying into Chennai” _______________ .
- “Ganga” could refer to the river by that name
- “Ganga” could refer to a girl by that name
- “The Godavari” could refer to a girl named Godavari
- “The Godavari” could refer to a river named Godavari
- Ganga saw Godavari which was flying into Chennai
- Ganga saw Godavari when Ganga flying into Chennai
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19. In processing a story using scripts the phrase “causal chain completion” refers to __________ .
- identifying the root cause of action sequences
- Inferring intervening events that must have taken place between two events explicitly mentioned in the story
- a special case of a forward chaining algorithm
- termination of the backward chaining algorithm
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20. In the program Script Applier Mechanism, the module ELI does the following _____________ .
- makes inferences identifying causes of actions
- extracts conceptual elements from the story that are explicit
- matches PPs with roles in scripts
- converts the CD conceptualizations into English
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