Premise: A woman in black is playing a Cello type instrument.

Hypothesis: the lady plays an instrument
yes

Premise: A young child is playing with his big toy.

Hypothesis: A young child is playing happlily
it is not possible to tell

Premise: A military dentist and his camouflage-clad assistant do dental work on a patient.

Hypothesis: A dentist is working on a patient.
yes

Premise: A family gathered at a painted van

Hypothesis: A family was around a van.
yes