Premise & hypothesis: Is the premise "A person is falling off their surfboard." true if "A person falls on the sidewalk."?
A: no

Premise & hypothesis: Is the premise "Two men walking, one of which is looking back and the other looking directly ahead." true if "The men are father and son."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "People are dancing in a circle around a group a young girls." true if "The dancers are moving"?
A: yes

Premise & hypothesis: Is the premise "Four skaters are competing in a high speed skating competition, and turning on the track." true if "Four people are skating."?
A:
yes