QUESTION: Given the sentence "Two young men playing instruments." is it true that "The men are warming up before a concert."?

Let's solve it slowly: For men to play instruments does not mean that they are warming up before a concert.
The answer is it is not possible to tell.


QUESTION: Test for natural language inference.
Premise: "A man's upper torso in union blue waving with a flag in background and confederate gray behind him waving as well."
Hypothesis: "A man is showing support for the union."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The waving of the flag of their color does not necessarily mean that the man is showing support for the union.
The answer is it is not possible to tell.


QUESTION: Premise: "A man riding on the back of a trash truck."
Hypothesis: "The man is a city sanitation employee."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly:
Sentence one states the man is riding in the back of a trash truck. Just because he is a sanitation employee doesn't mean he rides in the back of a trash truck.
The answer is it is not possible to tell.