premise1: There was a woman with glasses standing in front of a microphone surrounded by people.
premise2: A girl with glasses is singing into a microphone in front of a crowd.
premise3: A woman is playing the piano and singing in front of a crowd.
premise4: A woman with glasses is singing into a microphone.
premise: There was a woman with glasses standing in front of a microphone surrounded by people. A girl with glasses is singing into a microphone in front of a crowd. A woman is playing the piano and singing in front of a crowd. A woman with glasses is singing into a microphone.
hypothesis: A band sings.