Premise & hypothesis: Is the premise "A big brown dog sniffs a smaller dog in the gravel beside a body of water." true if "A big brown dog sniffs at a tiny dog next to a body of water"?
A: yes

Premise & hypothesis: Is the premise "Two kids playing on the mud." true if "Two kids are playing in the mud by throwing it."?
A: it is not possible to tell

Premise & hypothesis: Is the premise "A boy and two girls learning what a doctor or nurse does." true if "The children are learning"?
A: yes

Premise & hypothesis: Is the premise "A man standing on the street looking at a woman across on the road." true if "A man is about to wave to a woman"?
A:
it is not possible to tell