Assertion: backstroke's body | /r/CapableOf | form upside
Facets:
value: down u shape
type: OTHER
Source sentences:
text: If you could freeze the backstroker at the very peak height of the start, you would find the feet and hands are very close to the water, yet the bum is a couple of feet above the surface of the water, with the body forming an upside down U shape.