Assertion: martin's nest | /r/HasProperty | seen gathering
Facets:
value: with swallows
type: OTHER
value: in trees
type: LOCATION
value: on the wires
type: LOCATION
value: on housetops
type: LOCATION
Source sentences:
text: For weeks after leaving the nest the young congregate in ever-increasing flocks which, as the season advances, may be seen gathering in trees or on housetops, or on the wires with swallows.