[QUESTION] Premise: "Two musicians holding their violins and smiling."
Hypothesis: "A man and a woman hold their violins and smile."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Because they didn't say if the musicians is a unisex noun and it could have referred to a man and a man or a woman and a woman.
The answer is it is not possible to tell.

Q: Premise: "A man embracing a woman."
Hypothesis: "Both are wearing red outfits."
Do we know that the hypothesis entailed by the premise?
A: A man embracing a woman to congratulate her on having a child.
The answer is it is not possible to tell.

QUESTION: Premise: "A large group of people are gathered around two trains on the railroad."
Hypothesis: "A group of people are seated in a church."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: On cannot be in a church and on the railroad simultaneously.
The answer is no.

[QUESTION] Premise: "Two men touch their heads together and smile."
Hypothesis: "Men press their heads against one another."
Do we know that the hypothesis entailed by the premise?
Touch their heads together can be rephrased as press theit heads against oen another.
The answer is yes.

Q: Test for natural language inference.
Premise: "Two old women in polka dot dresses sitting on a bench."
Hypothesis: "Two old women talk about the weather together."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Two women on a bench do not always talk about the weather.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A crowd next to a lake on a port next to a boat." can we conclude that "A graduation party at the lake."?
Options:
- yes
- it is not possible to tell
- no
The crowd next to a lake is not necessarily attending a graduation party.
The answer is it is not possible to tell.