Assertion: marmot's burrow | /r/HasProperty | invaded
Facets:
Source sentences:
text: They prefer to retreat to their burrows when threatened; if the burrow is invaded, the groundhog tenaciously defends itself with its two large incisors and front claws.
text: They prefer to retreat to their burrows when threatened; if the burrow is invaded, the groundhog tenaciously defends itself with its two large incisors and front claws.