Assertion: boomerang | /r/ObjectUse | used for sport
Facets:
value: by the australian aborigines
type: OTHER
value: as artwork
type: MANNER
value: mostly
type: DEGREE
Source sentences:
text: Today, boomerangs are mostly used for sport or as artwork.
text: A boomerang used for sport can be made of a myriad of materials.
text: It has been used for centuries for sport, hunting, and war by the Australian aborigines.