Assertion: antelope's predator | /r/HasProperty | gray wolf
Facets:
value: in the past
type: TEMPORAL
Source sentences:
text: However, due to the lack of a natural predator, the gray wolf, the bison thrived on the island and the herd rapidly increased in size.
text: In the past, the principal predators were Eurasian lynxes, Persian leopards and gray wolves; with some predation possibly by brown bears and golden eagles.