Assertion: boomerang's flight | /r/CapableOf | use the wind's speed
Facets:
value: to help complete its flight
type: PURPOSE
Source sentences:
text: The correct launch orientation makes the boomerang's flight begin by flying into the wind, then having its flight take it through the "eye of the wind" and finally returning downwind using the wind's speed to help complete its flight back to the thrower.