Premise: A man with a white no sleeve shirt and red shorts about to hit a volleyball.

Hypothesis: A man was on the volleyball court.
it is not possible to tell

Premise: A woman and girl sit in a forest creek bed.

Hypothesis: The people are having a picnin
it is not possible to tell

Premise: Group of people on a sunny day.

Hypothesis: A group of people on a cold day are sitting inside.
no

Premise: A man is playing an acoustic guitar.

Hypothesis: There is a person playing an instrument.
yes