Assertion: prairie dog | /r/AtLocation | underground burrows
Facets:
value: in the plains of north america
type: LOCATION
Source sentences:
text: Prairie dogs live in underground burrows, extensive warrens of tunnels and chambers marked by many mounds of packed earth at their surface entrances.
text: Prairie dogs live in underground burrows.
text: Prairie dogs live in underground burrows, warrens and tunnels in the plains of North America.