Wheels reduce friction with the floor to help cars move.
(Wheels; reduce; friction; to help cars move) Context(Wheels reduce,List([0, 13))):(Wheels; reduce friction to help; cars move) Context(Wheels reduce to help,List([0, 45))):(cars; move; )
Wheels reduce,List([0, 13)) Wheels reduce to help,List([0, 45))
Wheels Wheels cars
reduce reduce friction to help move
friction to help cars move
cars move