premise1: An aging rocker performs on stage in a sleeveless shirt and striped pants.
premise2: A man in a pirate costume playing an instrument in a band.
premise3: A man with a scarf on performs with his band on stage.
premise4: People in pirate outfits are playing in a band.
premise: An aging rocker performs on stage in a sleeveless shirt and striped pants. A man in a pirate costume playing an instrument in a band. A man with a scarf on performs with his band on stage. People in pirate outfits are playing in a band.
hypothesis: Man doing a grind.