Assertion: quarterback's offense | /r/CapableOf | evolve around the quarterback
Facets:
value: as a passing threat
type: MANNER
Source sentences:
text: Early modern offenses evolved around the quarterback as a passing threat, boosted by rules changes in 1978 and 1979 that made it a penalty for defensive backs to interfere with receivers downfield and allowed offensive linemen to pass-block using their arms and open hands; the rules had limited them to blocking with their hands held to their chests.