Premise: A woman in yellow walking while a bright yellow car passes near her.

Hypothesis: A woman gets totally ignored by a cab driver.
it is not possible to tell

Premise: A brown dog in the snow has something hot pink in its mouth.

Hypothesis: An animal is outdoors holding something in its jaws.
yes

Premise: Two men wearing hats are shown at the front of a crowd of people.

Hypothesis: There are two men in front of the crowd.
yes

Premise: A tourist photographing tall buildings.

Hypothesis: A person is taking pictures.
yes