Assertion: marching band's member | /r/CapableOf | challenge regular member
Facets:
value: the next week
type: TEMPORAL
value: for spot
type: PURPOSE
value: in their row
type: LOCATION
Source sentences:
text: Because the band utilizes a system of regular members and alternate members, challenges are done before every performance where an alternate member may challenge a regular member in their row for that member's spot the next week.