Assertion: marching band's member | /r/CapableOf | stand at interval
Facets:
value: along the sidelines
type: LOCATION
value: to observe
type: PURPOSE
Source sentences:
text: Members of Student Staff, along with the Drum Major Trainees, hold the directors' ladders on the field, stand at intervals along the sidelines to observe for and collect instrument or uniform parts that may fall off during a show, and even dress in costume or work props for the field show.