Premise: An African American man holding a big sword fish on his sailboat.

Hypothesis: The man is holding a shark on his boat.
no

Premise: Two men are sitting in front of a fan and a wall with a clock.

Hypothesis: Two people sitting.
yes

Premise: A group of people, who look like tourists, standing around a city about to cross the street.

Hypothesis: A group of people dance in the street.
no

Premise: A boy with a backpack is walking.

Hypothesis: A boy is walking.
yes