premise1: Four women are performing a synchronized swimming routine.
premise2: A group of dancing swimmers doing one of their routines.
premise3: Four women participate in synchronized swimming at dark.
premise4: Four women are dancing around in the water.
premise: Four women are performing a synchronized swimming routine. A group of dancing swimmers doing one of their routines. Four women participate in synchronized swimming at dark. Four women are dancing around in the water.
hypothesis: Dancers dancing.