Assertion: chipmunk's burrow | /r/HasProperty | 30 feet long
Facets:
Source sentences:
text: These burrows can be at least 30 feet long.
text: Both chipmunks and ground squirrels live in underground burrows, which can be up to 30 feet long and can have several tunnels.
text: Chipmunks create burrows that can be up to 10-30 feet long.