Premise & hypothesis: Is the premise "A couple is playing outside in a park, one a man on a guitar and the other a lady on a violin." true if "There are people outdoors."?
A: yes

Premise & hypothesis: Is the premise "jockeys racing horses at high speed" true if "The horses are racing."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "The little girl is sitting in the chair with her head resting on the arm of the chair." true if "A girl is resting her head on the arm of an antique chair."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "Two Mexican guys standing on outskirts of a field, one has a machete knife and the other has cigarette in his mouth." true if "One of the guys has knife in his hand."?
A:
yes