QUESTION: Can we conclude from "Two men in belt harnesses are working on a construction project." that "Though only one wears his hard hat."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Two men are free-falling from the top of a construction site.
The answer is no.

QUESTION: Premise: "A man becomes airborne while windsurfing."
Based on this premise, can we conclude that the hypothesis "The man is performing an aerial trick." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A man who becomes airborne while windsurfing is not necessarily performing a trick.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "Two teams playing a game of soccer."
Hypothesis: "There are a group of teams playing hockey."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
Two teams can't necessarily be termed as being a group of teams.
The answer is it is not possible to tell.