Assertion: eastern chipmunk's burrow | /r/HasProperty | extended to a length of 30 feet
Facets:
value: after four or five years
type: TEMPORAL
value: with several openings
type: OTHER
Source sentences:
text: Within four or five years, an average chipmunk’s burrow may be extended to a length of 30 feet, have several openings, and may contain up to six chambers.
text: After four or five years, the average chipmunk’s burrow may have been extended to a length of 30 feet, with several openings and as many as six nesting or food chambers.