[QUESTION] Premise: "A group of teen-agers are seated in a circle around a big skin drum."
Hypothesis: "But one is standing and talking on the cellphone."
Do we know that the hypothesis entailed by the premise?
A teenager isn't sitting with his friends because he mom just called.
The answer is it is not possible to tell.

Q: Premise: "A group of men saving a fallen victim."
Hypothesis: "There is more than one man."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: More than one man in one place can also be called a group of men.
The answer is yes.

QUESTION: Test for natural language inference.
Premise: "A man walking with a tub of something on his head."
Hypothesis: "A man is balancing an object on his head."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: To be walking with something on your head you have to be balancing it.
The answer is yes.

[QUESTION] Premise: "Groups of people are having conversations with each other on a crowded street."
Hypothesis: "People chat on street."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
People chat on the street is the same as them having conversations on the street.
The answer is yes.

Q: Premise: "Rafts and a helicopter over water."
Based on this premise, can we conclude that the hypothesis "A helicopter is attempting a rescue." is true?
Options:
- yes
- it is not possible to tell
- no
A: Rafts and a helicopter can be over water without attempting a rescue.
The answer is it is not possible to tell.

[QUESTION] Premise: "A window washer is cleaning the bookstore windows."
Hypothesis: "There is a man cleaning windows."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Just because A window washer is cleaning the bookstore windows doesn't mean he is a man.
The answer is it is not possible to tell.