What was the question for this implicit rationale, and corresponding answer?
A man is eating doesn't imply that he is eating a piece of pizza .
 The answer: it is not possible to tell
The question: Test for natural language inference.
Premise: "Two people on cellphones walk down the sidewalk while a vendor stands there and a man is eating."
Hypothesis: "The man is eating a piece of pizza."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell