Assertion: arctic wolf's prey | /r/HasProperty | caribou
Facets:
value: in north america
type: LOCATION
Source sentences:
text: In North America, important range-wide prey are elk, moose, caribou, white-tailed deer and mule deer.
text: The main prey are large herbivores such as deer, elk, moose, bison, bighorn sheep, caribou, and musk oxen, which they chase, seize, and pull to the ground.