Assertion: boomerang | /r/HasProperty | a thrown tool
Facets:
Source sentences:
text: A boomerang is a thrown tool, typically constructed as a flat airfoil, that is designed to spin about an axis perpendicular to the direction of its flight.
text: A boomerang is a thrown tool, typically constructed as a flat airfoil, that is designed to spin about an axis perpendicular to the direction of its flight.