Premise: Young man with no shirt skateboarding off a ramp outdoors.

Hypothesis: A man is skateboarding off a ramp trying to impress some girls.
it is not possible to tell

Premise: A young girl is riding a pink bicycle.

Hypothesis: The girl is riding a bicycle.
yes

Premise: With blue slide in background, a young boy is standing on a swing's seat at a playground.

Hypothesis: The boy is ate a playgound with a slide and a swing.
yes

Premise: Three men dressed in white playing kettle drums outdoors.

Hypothesis: The men are playing trombones inside a concert hall
no