Assertion: polar bear's cub | /r/CapableOf | remain for an average of 2.5 years
Facets:
value: with their mother
type: OTHER
value: in north america
type: LOCATION
Source sentences:
text: Cubs remain with their mother for an average of 2.5 years in North America, uncommonly being independent as early as 1.5 years of age or as late as 4.5 years of age.