[Q] Test for natural language inference.
Premise: "Three men loading items on a sled."
Hypothesis: "Men load a sled."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] Three men are men and loading items on a sled is a paraphrase of load a sled.
The answer is yes.

[Q] Premise: "A man uses a blowtorch on a test tube while students look on in the background."
Based on this premise, can we conclude that the hypothesis "The old white haired professor is using a blowtorch on a test tube." is true?
Options:
- yes
- it is not possible to tell
- no
[A] A man using a blowtorch on a test tube in front of students can be anyone and need not be an old white haired professor.
The answer is it is not possible to tell.

[Q] Can we conclude from "A line of workers walking down stairs." that "Many people are on the stairs."?
Options:
- yes
- no
- it is not possible to tell
[A] Workers are people and if there is a line of them then there are many.
The answer is yes.