Premise & hypothesis: Is the premise "Young man grinding, three other boys observing" true if "The boys are watching the pretty girl on the basketball court."?
A: no

Premise & hypothesis: Is the premise "Dark-skinned man is lying down with his hands folded and a paper laying on him." true if "The man is laying down outside."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "a bmx rider launches off a quarterpipe." true if "The bike rider is riding in the park."?
A: no

Premise & hypothesis: Is the premise "A person is rock climbing." true if "A person is engaged in a physical activity"?
A:
yes