Q: Can we conclude from "A man with a hat plays an instrument on stage." that "A man is giving cooking lessons."?
Options:
- yes
- no
- it is not possible to tell
A: One can not be playing an instrument and giving cooking lessons simultaneously.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "As a man walks down the street a pigeon swoops behind him."
Hypothesis: "The man is aware of the pigeon."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A man may or may not be aware of a pigeon swooping behind him.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "The people with the backpacks are walking down some stone stairs." is it true that "Some tourists are going downstairs to have their dinner."?
Just because some one has a backpack doesn't mean they are a tourists.Just because people are walking down some stairs doesn't mean they are going to have dinner.
The answer is it is not possible to tell.

Q: Premise: "A young man presents an unknown object to photographer."
Hypothesis: "A photographer tries to identify an unknown object."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: The photographer might not want to try to identify the object.
The answer is it is not possible to tell.

QUESTION: Premise: "A man with a young boy sitting by the water reads a paper."
Hypothesis: "The man is with his son."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Sentence 1: A man with a young boy sitting by the water reads a paper. Sentence 2: The man is with his son.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A couple standing outside in the rain." can we conclude that "A couple stands outside in the rain under an umbrella."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Standing outside in the rain does not imply being under an umbrella.
The answer is it is not possible to tell.