If "The guy is wearing a red shirt and doing a aerial flip with his skateboard." does that mean that "The guy is wearing a shirt."?
Options:
- yes
- it is not possible to tell
- no

yes
Explanation: There is a guy wearing a red shirt doing an aerial flip..

Given the sentence "A young man is doing a flip into a lake." is it true that "A boy is doing a back flip into the lake."?

yes
Explanation: A young man can also be a boy. A back flip is a type of flip that he might perform into the lake..

Given the sentence "Chinese workers are working at a factory." can we conclude that "People have lunch in an empty gymnasium."?
Options:
- yes
- it is not possible to tell
- no

no
Explanation: Working and having lunch are two different things and factory is not an empty gymnasium..

Test for natural language inference.
Premise: "A man tends diligently to his barbecue."
Hypothesis: "A man is barbecuing."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
yes
Explanation: A person who is tending to his barbecue is engaged in barbecuing..