Assertion: starling's number | /r/CapableOf | congregate before the dusk
Facets:
value: near the roosting areas
type: LOCATION
value: to sing
type: PURPOSE
value: often
type: TEMPORAL
Source sentences:
text: Large numbers of European starlings often congregate before the dusk near the roosting areas to sing, preen their plumage and to rest in the group.