Premise & hypothesis: Is the premise "A man in a black vest walks on a rail." true if "A guy walks on a rail."?
A: yes

Premise & hypothesis: Is the premise "A man is lying the grass with long hair and beard." true if "A bearded man is on the sofa."?
A: no

Premise & hypothesis: Is the premise "Man playing musical instrument standing beside a yellow and red fire hydrant" true if "A man plays the violin by the fire hydrant."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "Female gymnast competing in a competition." true if "A gymnast is a competition."?
A:
yes