Premise: A man in a black shirt with a white ring in his right hand reaching for something on the edge of a window.

Hypothesis: A man is reaching for something on the window
it is not possible to tell

Premise: The woman depicted in the red blouse is playing a harp.

Hypothesis: A man operating a fork lift.
no

Premise: People in orange vests are rowing with great effort.

Hypothesis: A group of men are rowing with gusto.
it is not possible to tell

Premise: A person kayaking down a river in white water rapids.

Hypothesis: A person is in a sailboat.
no