Assertion: martin | /r/CapableOf | nest in human-supplied housing
Facets:
value: for more than four hundred years
type: TEMPORAL
value: at in hollow gourds
type: LOCATION
Source sentences:
text: For more than four hundred years, martins in eastern North America have nested in human-supplied housing, at first in hollow gourds offered by Native Americans and today in a variety of specialized housing.