Come up with a question and stream of consciousness reasoning that would justify this answer: Sentence B
The question is: One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "The earth is round."
- Sentence B: "The earth is flat."

Stream of consciousness: If you walk really far from a tall building on earth you will no longer see the bottom part of it while on a flat surface this would not happen.
