premise: A light-haired man wearing a white shirt grasps a microphone and appears to be singing with his eyes shut while flanked by two dark-haired men wearing dark shirts in a darkened room. hypothesis: Three men are performing on stage.
entailment: The man grasping the microphone and the two he's flanked by constitute three men. Often singing with eyes closed when it's dark happens in a performance, which almost always takes place on stage.