QUESTION: Premise: "Four men dance on a stage wearing yellow and orange shirts."
Hypothesis: "Men are performing on a stage."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: The men could be dancing on the stage for another reason besides performing.
The answer is it is not possible to tell.

QUESTION: If "Two children are playing with their mom." does that mean that "The mom is playing with the kids."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Their mom might be reading a book rather than playing with the children.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A man rides a surfboard as a wave comes up behind him."
Hypothesis: "The man is a farmer."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
Because a person rides a surfboard doesn't mean he is a farmer.
The answer is it is not possible to tell.