Assertion: backstroke | /r/HasProperty | unique
Facets:
value: in one subtle way
type: MANNER
Source sentences:
text: Backstroke is unique in that it is the only stroke of four in competitive swimming to be performed on the athlete’s backside, unlike the crawl which is done on the athlete’s front, facing the bottom of the pool.
text: But backstroke is unique in one subtle way: You can breathe all you want!
text: Backstroke is unique in that it is the only event that is allowed to be performed on the backside, with the other three strokes being done with the swimmer facing the bottom of the pool.