Creatively image a question and justification for this answer: it is not possible to tell
user
The question is: Test for natural language inference.
Premise: "A man in a tall red hat is riding on a green tractor and waving to spectators."
Hypothesis: "The tractor is big."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Step-by-step reasoning process: A man on a green tractor doesn't mean it is a big tractor.

assistant