Q: Given the sentence "A man and his donkey stand along a sidewalk." can we conclude that "A man riding a donkey."?
Options:
- yes
- it is not possible to tell
- no
A: One cannot stand and be riding a donkey at the same time.
The answer is no.

Q: Can we conclude from "A man diving off a cliff into water with other islands in the background." that "The man was the first to jump off the cliff."?
Options:
- yes
- no
- it is not possible to tell
A: A man jumping off the cliff doesn't mean he is the first to jump.
The answer is it is not possible to tell.

Q: Premise: "A crowd of people walking down the middle of a city street."
Hypothesis: "The group are walking down the street to the cabs."
Do we know that the hypothesis entailed by the premise?
A: People can walk down the street for other reasons than cabs.
The answer is it is not possible to tell.

Q: Premise: "A man on a phone and a woman are in front of a wall."
Based on this premise, can we conclude that the hypothesis "A man on a phone and a woman are near a wall." is true?
Options:
- yes
- it is not possible to tell
- no
A:
Being in front of a wall and near a wall could be two totally different things.
The answer is it is not possible to tell.