Question and answer: Q: Given the sentence "Two young men playing instruments." is it true that "The men are warming up before a concert."?
A: it is not possible to tell
Explanation: For men to play instruments does not mean that they are warming up before a concert.


Question and answer: Q: 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
A: it is not possible to tell
Explanation: The waving of the flag of their color does not necessarily mean that the man is showing support for the union.


Question and answer: Q: 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?
A: it is not possible to tell
Explanation:
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.