[QUESTION] Test for natural language inference.
Premise: "People enjoying the grand outdoors."
Hypothesis: "They are on a nature hike."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
It's possible to enjoy the grand outdoors without being on a nature hike. We don't know what the people are doing.
The answer is it is not possible to tell.

Q: Can we conclude from "Friends walking in a hallway." that "A group of friends walking down the hall."?
Options:
- yes
- no
- it is not possible to tell
A: Walking down the hall is a phrase for walking in a hallway.
The answer is yes.

QUESTION: Given the sentence "People walking across a crosswalk." can we conclude that "People are walking on the sidewalk."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A crosswalk can be connected to a sidewalk and if there are people walking on the sidewalk there might also be people walking across a crosswalk.
The answer is yes.

[QUESTION] Premise: "A group of men and boys loading and tying down items at the rear and on top of a bus."
Hypothesis: "There is a group of people tying down things onto the bus."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A group of men refers to there is a group of people.
The answer is yes.

Q: Premise: "Man in brown shirt and jeans playing guitar and singing."
Based on this premise, can we conclude that the hypothesis "A man is performing with his band." is true?
Options:
- yes
- it is not possible to tell
- no
A: Man in brown shirt and jeans playing guitar and singing does not indicate that he is performing with his band.
The answer is it is not possible to tell.

[QUESTION] Premise: "A climber is reaching for a large crack in the rock face."
Hypothesis: "A cragsman scales a large rock."
Do we know that the hypothesis entailed by the premise?
A climber reaches for a crack in a rock face so he must be climbing a large rock.
The answer is yes.