( ( As ( ( the wheel ) turns ) ) ( , ( ( the arc ) ( ( causes ( the ( body ( to ( lift up ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN As) (S (NP (DT the) (NN wheel)) (VP (VBZ turns)))) (, ,) (NP (DT the) (NN arc)) (VP (VBZ causes) (NP (DT the) (NN body) (S (VP (TO to) (VP (VB lift) (PRT (RP up))))))) (. .)))
As the wheel turns, the arc causes the body to lift up.
(ROOT (S (NP (DT The) (NN turning) (NN driveshaft)) (VP (VBZ causes) (NP (NP (DT the) (NNS wheels)) (PP (IN of) (NP (DT the) (NN car) (S (VP (TO to) (VP (VB turn)))))))) (. .)))
The turning driveshaft causes the wheels of the car to turn.