Premise & hypothesis: Is the premise "Football players engaged in a tackle." true if "The players are tackling"?
A: yes

Premise & hypothesis: Is the premise "a young boy playing in a pool." true if "The boy is wearing a life jacket."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A surfer is riding a wave." true if "A person is surfing."?
A: yes

Premise & hypothesis: Is the premise "A young boy in a blue shirt stands next to a woman sitting on the ground." true if "A young boy and a woman are standing."?
A:
no