premise1: A performer blows upon a trombone while a guitarist strums.
premise2: An Elton John looking fella playing an instrument on stage.
premise3: A trombonist is at the front of the stage during a concert.
premise4: A man with a hat plays an instrument on stage.
premise: A performer blows upon a trombone while a guitarist strums. An Elton John looking fella playing an instrument on stage. A trombonist is at the front of the stage during a concert. A man with a hat plays an instrument on stage.
hypothesis: Friends take a picture.