Premise: Two kids, one in a white shirt and one in a black shirt, laying on pillows.

Hypothesis: The children are wearing all gree clothing.
no

Premise: A frisbee rolls into the ocean as two people, one being carried by the other, chase after it.

Hypothesis: A man and his son are chasing after a frisbee on the beach.
it is not possible to tell

Premise: Three women are jogging on a path.

Hypothesis: Three women are exercising.
yes

Premise: A cowboy in a rodeo trying to beat the 8 second clock.

Hypothesis: A cowboy is about to be bucked off a bull.
it is not possible to tell