Premise: Man wit a gray beard sleeps under a tree.

Hypothesis: A guys is sleeping
it is not possible to tell

Premise: Man in white shirt walking.

Hypothesis: someone is walking.
yes

Premise: A woman carrying two watermelons and a handbag on a city street.

Hypothesis: A man is asleep in the park.
no

Premise: A man power washes some steps beside a swimming pool.

Hypothesis: The pool cleaner is preparing a family's swimming pool for summer.
it is not possible to tell