[QUESTION] Premise: "A woman in a gray and blue shirt smiles as she unwraps and cuts into a calzone."
Hypothesis: "The woman is happy."
Do we know that the hypothesis entailed by the premise?
A woman smiling as she unwraps and cuts into a calzone does not imply she is happy.
The answer is it is not possible to tell.

Q: Given the sentence "Two men are in a band; one is playing the guitar and another is singing." is it true that "Two people are playing instruments."?
A: The men are in a bad which implies that they are playing instruments.
The answer is yes.

QUESTION: Can we conclude from "A ballerina teacher is showing a young girl how to position herself." that "The girl is wearing a tutu."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The young girl may be wearing tights during a practice session rather than a tutu.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man wearing a brown and white striped shirt is looking at a black and white photo of someone."
Hypothesis: "The girl is baking a cake."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A man cannot be a girl. The subject is looking at a black and white photo and is not involved in baking a cake.
The answer is no.

Q: Premise: "A man in a red helmet holds a bullhorn."
Hypothesis: "The man who was wearing a red firefighting helmet was also holding a bullhorn full of water."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: Not all red helmets are firefighting helmets and there is no indication that the bullhorn is full of water.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man in a black wetsuit riding a medium sized ocean wave."
Hypothesis: "The man is in the ocean."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Wave occurs when ocean moves. A man in a black wetsuit shows the man's outfit.
The answer is yes.