[QUESTION] Premise: "A man wearing a striped shirt is singing into a microphone as another man wearing a purple bandanna around his neck plays an electric guitar behind him."
Hypothesis: "The two men are lifting weights."
Do we know that the hypothesis entailed by the premise?
The men cannot lift weights while singing and playing the guitar.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "People enjoying the grand outdoors."
Hypothesis: "They are on a nature hike."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
It's possible to enjoy the grand outdoors without being on a nature hike. We don't know what the people are doing.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "Four young people are waiting at a bench." can we conclude that "People at park."?
Options:
- yes
- it is not possible to tell
- no
People waiting at a bench are not necessarily at a park.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man lays down on a snowbank that has piled up high around the front door of his house."
Hypothesis: "The man a hair dryer trying to melt all the snow."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A man lays down cannot try to melt all the snow.
The answer is no.