Assertion: boomerang's wing | /r/CapableOf | rotate in same direction
Facets:
value: as the flight
type: MANNER
value: forward
type: MANNER
value: at any given time
type: TEMPORAL
Source sentences:
text: The combination of spin with forward motion causes uneven lift on the wings because at any given time, one wing is rotating forward in the same direction as the flight, while the other is rotating backwards, against the direction of flight.