Assertion: groundhog | /r/HasProperty | numerous
Facets:
value: in some areas
type: LOCATION
value: because their digging activities damage gardens
type: CAUSE
value: because other surface vegetation
type: CAUSE
Source sentences:
text: In some areas, groundhogs are so numerous that they are regarded as pests, because their digging activities damage gardens and other surface vegetation (especially hay, clover, alfalfa, and grass) and threaten the stability of dikes and building foundations.
text: In some areas, groundhogs are so numerous that they are regarded as pests.