What was the question for this implicit rationale, and corresponding answer?
A rocking chair only rocks and cannot fly given that it is a piece of furniture.
 The answer: Sentence A
user
The question: One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "A rocking chair can fly up and down."
- Sentence B: "A rocking chair can rock back and forth."

assistant