[Ans] it is not possible to tell
[Question] Given the sentence "A man wearing a suit and tie kicking his heels together." can we conclude that "A man is very happy after celebrating his birthday."?
Options:
- yes
- it is not possible to tell
- no
[CoT] Not all men are very happy. The fact that the man is wearing a suit and tie and kicking his heels together doesn't necessarily imply it is his birthday.

[Ans] it is not possible to tell
[Question] Premise: "A man and woman are walking three dogs down a trail by the river."
Hypothesis: "A couple is walking their dogs in a dog park."
Do we know that the hypothesis entailed by the premise?
[CoT] Walking down a trail by the river does not mean walking in a dog park.

[Ans] yes
[Question]
Test for natural language inference.
Premise: "A man in a brown trench coat carrying a guitar case."
Hypothesis: "A man wearing a coat has a musical instrument case."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[CoT] Someone in a coat is wearing a coat. Someone carrying something has it. A guitar is a musical instrument.