According to Schank (1977), the topic of a conversation may be defined as:
A) what conversationalists agree to in advance
B) a set of preconditions
C) * the intersection of propositions across sentences
D) none of the above

Question

Quizplus · Accepted Answer

Schank defines the topic of a conversation as the intersection of propositions across sentences. This means that the topic emerges as the conversationalists share propositions and ideas throughout the conversation, and it may shift and change as the conversation progresses. Choices A and B are not accurate descriptions of Schank's definition of topic.

According to Schank (1977), the Topic of a Conversation May