Premise & hypothesis: Is the premise "A group of young women and boys walk down railroad tracks in a wooded area." true if "Some people are walking near railroad tracks."?
A: yes

Premise & hypothesis: Is the premise "A surfer in a black wetsuit rides a wave." true if "A surfer is riding waves in the ocean."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A woman smiling as she plays the harp." true if "The woman is playing the mandolin."?
A: no

Premise & hypothesis: Is the premise "A man attempting to hit a pool ball, while other men watch." true if "Two men sit on barstools and watch as a thrid attempts his shot."?
A:
it is not possible to tell