premise: Three men dressed in white shirts and white hats, (two with baseball caps, the leader with a white construction helmet), pounding sticks on steel and plastic drums. hypothesis: Three men pound on some drums.
entailment: "pounding sticks on steel and plastic drums." can be inferred as "pound on some drums".|entailment: Pounding drums is a different way of saying you pound drums.|entailment: both sentences contain three men.