Premise: A shirtless man and a woman sitting on a dock.

Hypothesis: A woman sitting on a dock.
no

Premise: People gather on the river walk to enjoy the carnival atmosphere in the coolness of the evening.

Hypothesis: Tall humans walking
it is not possible to tell

Premise: A female gymnast in a black unitard and viewed from behind prepares for a tumbling pass.

Hypothesis: The gymnast is being observed.
yes

Premise: Three Caucasian children are looking out of a bared area with their mouths open.

Hypothesis: Children are behind the bars.
yes