Assertion: running back | /r/CapableOf | wear number
Facets:
value: in the nfl
type: LOCATION
Source sentences:
text: In the NFL, running backs must wear numbers 20 to 49, tight ends must wear numbers 80 to 89, or if those are exhausted, then 40 to 49, and wide receivers must wear numbers 10 to 19 or 80 to 89.