Assertion: coaster's car | /r/CapableOf | fly off the track
Facets:
value: between two towers
type: LOCATION
value: in negative g curves
type: OTHER
Source sentences:
text: As you can see, the "wheels" are really an assembly of three different pairs of wheels: the ones from above, supporting the normal weight; a pair below, that stops the car flying off the track in negative g curves; and ones on the side that, in conjunction with a similar pair on the other side of the tracks, holds the car on the rails laterally.
text: In 1884, Switchback Railway opened at Coney Island, and consisted of a car that traveled on two tracks between two towers.