Premise: A black woman singing into a mic.

Hypothesis: The man is singing
no

Premise: Two girls at an overlook in a wooded area looking towards a mountain in the distance.

Hypothesis: There is a vista nearby.
it is not possible to tell

Premise: A bunch of kids wearing black shorts and white t-shirts, one of them, a girl, is jumping over some yellow signs.

Hypothesis: Children in the classroom learning math.
no

Premise: A man preparing his net for fishing.

Hypothesis: A young man fixes holes in a net before fishing for bait fish.
it is not possible to tell