premise: Three women and two men are standing at the foot of a large staircase holding stringed instruments and a clarinet. hypothesis: Five people are standing by a staircase.
entailment: Five people is a rephrasing of three women and two men.  At the foot of a staircase implies they are by the staircase.|entailment: "standing by a staircase" is a rephrasing of "standing at the foot of a staircase".|entailment: The people standing by the staircase were three women and two men.