Q: Premise: "A businessman in a dark suit is talking on a cellphone."
Based on this premise, can we conclude that the hypothesis "A man talks to his broker." is true?
Options:
- yes
- it is not possible to tell
- no
A: A businessman talking on a cellphone is not necessarily talking to his broker.
The answer is it is not possible to tell.

Q: Premise: "A man with a red bandanna over his face looks on as police stand in the background wearing riot gear."
Hypothesis: "A man is sitting on the bench enjoying the day."
Do we know that the hypothesis entailed by the premise?
A: It's unlikely that the man will be enjoying the day if there are police wearing riot gear present and near at the same time.
The answer is no.

Q: Given the sentence "An old man walks his dog in the financial district." can we conclude that "The man is walking alone in the meadow."?
Options:
- yes
- it is not possible to tell
- no
A: The man is either alone or with his dog. They are either in the financial district or the meadow.
The answer is no.

Q: Given the sentence "Three people standing in front of a mountain with backpacks and hats look towards the camera." can we conclude that "The people just came down the mountain."?
Options:
- yes
- it is not possible to tell
- no
A:
They may not have just come down the mountain - they could be getting ready to go up.
The answer is it is not possible to tell.