Premise & hypothesis: Is the premise "The person on this dirt bike sprays mud at the crowd looking on." true if "The person on this dirt bike sprays mud at the group looking on."?
A: yes

Premise & hypothesis: Is the premise "Basketball team, with one of the players about to go for a shoot." true if "There is a hockey team."?
A: no

Premise & hypothesis: Is the premise "A man wearing a pink shirt has headphones on." true if "A man is walking for exercise."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "Children of all ages and their families congregate in the library." true if "The people inside the library are being introduced to their new school by their principal"?
A:
it is not possible to tell