Premise: A white bearded fellow looks like hes singing into a microphone.

Hypothesis: A person pretending to sing into a microphone.
yes

Premise: A mottled black and gray dog in a blue collar jumping over a fallen tree.

Hypothesis: The dog is running home for food.
it is not possible to tell

Premise: An artist with blond-hair and a red shirt is working on a sculpture.

Hypothesis: a person smashes a painting.
no

Premise: A woman is chasing two sheep with a broom.

Hypothesis: The women is hitting the sheep with her broom.
it is not possible to tell