Test for natural language inference.
Premise: "A man in a black shirt talks on his cellphone."
Hypothesis: "A man in black is sitting and talking on the phone."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell A step-by-step solution is:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
That a man in a black shirt talks on his cellphone is not necessarily sitting.
The final answer: it is not possible to tell.