( People ( ( expect ( that ( ( if ( they ( turn ( ( the ( steering wheel ) ) clockwise ) ) ) ) ( , ( ( a car ) ( will ( turn right ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS People)) (VP (VBP expect) (SBAR (IN that) (S (SBAR (IN if) (S (NP (PRP they)) (VP (VBP turn) (S (NP (DT the) (NN steering) (NN wheel)) (ADJP (JJ clockwise)))))) (, ,) (NP (DT a) (NN car)) (VP (MD will) (VP (VB turn) (ADVP (RB right))))))) (. .)))
People expect that if they turn the steering wheel clockwise, a car will turn right.
(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.