Assertion: helicopter | /r/CapableOf | perform advanced aerobatics
Facets:
value: in a freestyle form
type: MANNER
value: in a predetermined set of moves
type: MANNER
Source sentences:
text: An advanced form of RC helicopter flying is called 3D. During 3D flying, helicopters perform advanced aerobatics, sometimes in a freestyle form, or in a predetermined set of moves drawn up by the organisers of the competition.