Premise: A number of people are gathered in a plaza at the foot of the steps to a building.

Hypothesis: a group of people are dancing.
no

Premise: A football player in purple is running the ball while another in white attempts to tackle him.

Hypothesis: Two football players are wearing dresses and playing chess.
no

Premise: A person wearing a pink shirt, riding a bike on a dirt trail.

Hypothesis: There is a person riding a bike outdoors.
yes

Premise: Someone in a rain jacket pushes a yellow bag on wheels down the sidewalk.

Hypothesis: Someone in a rain jacket pushes a blue bag on wheels down the sidewalk.
no