Assertion: great black backed gull | /r/HasProperty | nested for first time
Facets:
value: on young island
type: LOCATION
value: in 1983
type: TEMPORAL
value: in vermont
type: LOCATION
Source sentences:
text: It was first documented as a breeding species on Lake Champlain on the Four Brothers Islands in 1982 and nested for the first time in Vermont on Young Island in 1983.