Assertion: returning boomerang | /r/ObjectUse | used by the navajo indians in america
Facets:
value: in america
type: LOCATION
value: around the world
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 some other tribal people around the world, including the Navajo Indians in America.