Mary Beth asks David, "Do you know the fastest way to get downtown?" He answers with one word: "Yes." His answer violates which conversational principle?
A) Quality
B) Quantity
C) Relevancy
D) Manner

Question

Quizplus · Accepted Answer

David's answer violates the Quantity principle because it does not give enough information to be considered a complete and sufficient answer to Mary Beth's question.

Mary Beth Asks David, "Do You Know the Fastest Way