Premise: Two men letting their dogs play together

Hypothesis: Two men are not enjoying themselves.
it is not possible to tell

Premise: Distant surfer rides wave toward shore, two other surfers in background.

Hypothesis: A surfer is showing off for two other surfers
it is not possible to tell

Premise: Two men are looking at some old photographs hanging on a wall.

Hypothesis: Two men gazing at old photographs
yes

Premise: A boy in a yellow and black coat playing with brown dog.

Hypothesis: A boy is playing fetch with a dog.
it is not possible to tell