Q: Given the sentence "A person riverrafting." is it true that "A man is river rafting down the mississippi."?
A: A person riverrafting is not assumed to be doing so down the mississippi.
The answer is it is not possible to tell.

Q: Given the sentence "Two women wearing tank tops are looking at the camera." can we conclude that "The women are wearing hooded sweatshirts."?
Options:
- yes
- it is not possible to tell
- no
A: Tank tops and hooded sweatshirts are two different types of clothing.
The answer is no.

Q: Test for natural language inference.
Premise: "An adult is assisting a child in the act of ice-skating."
Hypothesis: "A kid is learning to skate on ice."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Skate is done on ice so it is considered to be ice-skating.
The answer is yes.

Q: Given the sentence "Some people are standing outside at a sidewalk book sale." is it true that "A bookstore is selling remaindered books outside."?
A:
A store having a sidewalk book sale doesn't mean they are selling remaindered books.
The answer is it is not possible to tell.