Premise: two men cleaning the windows of a tall building

Hypothesis: A man is mowing the grass.
no

Premise: Kids scale a wall as two other people watch.

Hypothesis: A kid scales a wall as some people watch.
yes

Premise: A woman stands in a field near a car, and looks through binoculars.

Hypothesis: The woman is looking for something
it is not possible to tell

Premise: The skier is jumping over a snowy mound in front of a pine tree.

Hypothesis: The skier is being chased by a bear.
it is not possible to tell