Assertion: returning boomerang | /r/ObjectUse | used by the navajo in north america
Facets:
value: in north america
type: LOCATION
Source sentences:
text: No one knows for sure how the returning boomerang was invented, but some modern boomerang makers speculate that it developed from the flattened throwing stick, still used by the Australian Aborigines and other indigenous peoples around the world, including the Navajo in North America.