Premise: A man in a blue shirt kissing a woman in a dress next to a table with a cake on it.

Hypothesis: A man in a shirt kissing a woman in a dress next to a table with a cake on it.
yes

Premise: Medical workers in uniform are gathered around a table.

Hypothesis: Firemen surround the table.
no

Premise: A blond-haired woman covers her mouth as a man in a black shirt motions with his hands.

Hypothesis: A man is trying to get the attention of a woman.
it is not possible to tell

Premise: a cyclist is performing a jumping stunt in front of a city skyline.

Hypothesis: The cyclist is jumping.
yes