Assertion: house martin | /r/HasProperty | tolerated by human
Facets:
value: usually
type: DEGREE
value: as an attractive bird
type: CAUSE
Source sentences:
text: As an attractive bird which feeds on flying insects, the house martin has usually been tolerated by humans when it shares their buildings for nesting, although the accumulation of droppings below breeding birds can be a nuisance leading to some destruction of nests.