[Ans] no
[Question] Given the sentence "A group of young people having fun and dancing." is it true that "People are not having fun."?
[CoT] Either one is having fun or one is not having fun.

[Ans] yes
[Question] Given the sentence "A young woman holding a can is sticking out her tongue showing her pierced tongue." is it true that "A woman is sticking out her tongue."?
[CoT] A woman sticking out her tongue to show her pierced tongue.

[Ans] it is not possible to tell
[Question]
Premise: "Child in gray sweatshirt hanging from metal bar."
Hypothesis: "A closeup of a child attempting to do chin-ups."
Do we know that the hypothesis entailed by the premise?
[CoT] The child could be just dangling from the metal bars and is not necessarily attempting to do chin-ups.