Premise: A man with a Texas flag stands in the snow by tents.

Hypothesis: A man with a Texas flag stands on a sunny beach.
no

Premise: Two men are walking up a ramp while a third walks up a separate ramp in the opposite direction.

Hypothesis: two men are running up a ramp as another walks down
it is not possible to tell

Premise: Two boxers wearing protective gear are fighting, with onlookers watching.

Hypothesis: Two boxers fighting.
yes

Premise: A girl in a black tank with cargo shorts to what appears to be dancing with several people around.

Hypothesis: Several people are standing around.
yes