[Q] Given the sentence "An esteemed martial artist strikes a pose in his black gi." is it true that "A man is opening a safe."?
[A] A martial artist striking a pose can't be described as being engaged in opening a safe.
The answer is no.

[Q] Test for natural language inference.
Premise: "A group of music students take a break during rehearsing a piece of music."
Hypothesis: "Students stopped playing to go to the bathroom and get snacks."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
[A] Taking a break does not necessarily imply to go to the bathroom and get snacks.
The answer is it is not possible to tell.

[Q] Premise: "An acrobat with face paint soars through the air."
Hypothesis: "A circus performer twists his body in the air."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
[A] The person is an acrobat but that doesn't mean that he or she is circus performer. The acrobat could be a he or a she.
The answer is it is not possible to tell.