Assertion: ant | /r/HasProperty | menace
Facets:
value: to people
type: TRANSITIVE-OBJECT
Source sentences:
text: Seasonally, when food supplies become short, they leave the hill and form marching columns of up to 50,000,000 ants, which are considered a menace to people, though they can be easily avoided; a column can only travel about 20 metres in an hour.