Premise: A man is pouring water on some kind of foreign object.

Hypothesis: A man is pouring water onto a strange object
yes

Premise: A woman in a black leotard strikes a dramatic pose.

Hypothesis: The woman in the black leotard is a dancer.
it is not possible to tell

Premise: A group of produce buyers inspecting fresh produce.

Hypothesis: A group of people inspect produce.
yes

Premise: Two bicyclists are racing each other on a dirt track.

Hypothesis: Two bicyclists are outdoors
yes