"Swimming is an individual or team racing sport that requires the use of
one's entire body to move through water. The sport takes place in pools
or open water (e.g., in a sea or lake). Competitive swimming is one of
the most popular Olympic sports, with varied distance events in
butterfly, backstroke, breaststroke, freestyle, and individual medley.
In addition to these individual events, four swimmers can take part in
either a freestyle or medley relay. A medley relay consists of four
swimmers who will each swim a different stroke, ordered as backstroke,
breaststroke, butterfly and freestyle."
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