A group of five people , four with violins , one with a clarinet , play music .
A group of people are swimming in the ocean .
A group of five people, four with violins, one with a clarinet, play music.
A group of people are swimming in the ocean.
The group of people can not both swim in the ocean and play music at the same time.
The group of people can not both swim in the ocean and play music at the same time .