Premise: Two men sit on a street bench together.

Hypothesis: Two sad men sit on a street bench together.
it is not possible to tell

Premise: people at beach looking for things in sand

Hypothesis: The people are using a metal detector.
it is not possible to tell

Premise: Six men outside are passing each other by while looking at each other.

Hypothesis: The six men are inside a building.
no

Premise: A young man carrying foliage on his back, climbing stone steps.

Hypothesis: The man is walking between classes at his university.
it is not possible to tell