Q: Premise: "A man in a yellow shirt about to cut a cake with people sitting beside him."
Hypothesis: "The man in the yellow shirt is having a birthday."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: Not all man cutting a cake with people sitting beside him is having a birthday.
The answer is it is not possible to tell.

Q: Premise: "A street vendor selling skewers is standing with his hands on his hips."
Hypothesis: "The vendor is climbing a mountain."
Do we know that the hypothesis entailed by the premise?
A: The vendor standing with his hands on his hips cannot be the one climbing a mountain.
The answer is no.

Q: Test for natural language inference.
Premise: "A kid is skateboarding in the suburbs."
Hypothesis: "A kid rides his bike home."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A kid riding his skateboard can not also be riding his bike.
The answer is no.

Q: Can we conclude from "A crowd of hindu women in headwraps." that "They are protesting."?
Options:
- yes
- no
- it is not possible to tell
A:
A crowd of people can be doing any number of things other than protesting.
The answer is it is not possible to tell.