Because of a similarity to dance, synchronized swimming-exhibition swimming in which the movements of one or more swimmers synchronize to a musical accompaniment-is sometimes called water ballet, especially in theatrical situations.

• Aof one or more swimmers synchronize to  
• Bof one swimmer or more is synchronized with  
• Cof one or more swimmers are synchronized with  
• Dby one swimmer or more is synchronized to  
• Eby one or more swimmers synchronize to