sentence: A man, alone in a room demonstrates two arm pulls with an elastic band attached to a white pole in a room, while he kneels on a blue gym mat. sentence:   A man in grey shorts and black sneakers kneels on a blue gym mat in the corner of a room and pulls and elastic band from behind him with his arms. sentence:  The man does this exercise twice with the elastic band attached to a metal pole in the corner of the room.