Assertion: backstroke | /r/HasProperty | a swimming style
Facets:
Source sentences:
text: A backstroke is a swimming style where one swims on the back with their arms lifted out of the water in a circular backward motion while the legs are extended and kicking.
text: The backstroke is a swimming style that involves the swimmer laying on his back and moving his arms and feet to propel through the water.
text: The backstroke is a swimming style that involves the swimmer laying on his back and moving his arms and feet to propel through the water.