Assertion: roller coaster's track | /r/CapableOf | twist 180 degrees
Facets:
value: anticlockwise
type: MANNER
value: to flip the riders
type: PURPOSE
value: after cresting the lift hill
type: TEMPORAL
Source sentences:
text: After cresting the lift hill, the track twists 180 degrees to flip the riders into the flying position for the rest of the ride.
text: Upon reaching the top of the lift hill, the track twists 180 degrees anticlockwise, so that riders are upside down, before plunging down the world's first dive drop element.