Assertion: wolf's prey | /r/HasProperty | musk oxen
Facets:
Source sentences:
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.
text: The main prey of the arctic wolf is musk oxen, and arctic hare, but they will also eat caribou, ptarmigan, lemmings, seals,nesting birds and even Arctic foxes.