Premise: A group of musicians playing a single drum at an event.

Hypothesis: A guitar player on stage during an exciting solo.
no

Premise: Three young men, two riding a motorbike on a busy street, looking at something and smiling.

Hypothesis: One man is walking on a sidewalk.
it is not possible to tell

Premise: Three children play outside of a run-down building.

Hypothesis: There are children watching others play
no

Premise: A boy skateboarding off a concrete slab.

Hypothesis: A son and his father are shopping in the mall for a new skateboard helmet.
no