Premise: A young boy wearing a blue hat is looking through a telescope while another boy watches.

Hypothesis: A boy is looking through a telescope.
yes

Premise: Three men and a small crowd of other people watch a tennis game.

Hypothesis: A crowd is watching a professional tennis match.
it is not possible to tell

Premise: A wedding party walks out of a building.

Hypothesis: the bride and groom walk outside.
yes

Premise: Girl wearing green rollerskates on cement.

Hypothesis: Girl training for a rollerskating event.
it is not possible to tell