( ( For example ) ( , ( ( a ( loud sound ) ) ( ( will ( ( ( ( register ( on ( ( the ear ) ( as either ) ) ) ) ( ( louder or ) softer ) ) , ) ( depending ( on ( ( the sound ) ( that ( ( ( precedes and ) follows ) it ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN For) (NP (NN example))) (, ,) (NP (DT a) (JJ loud) (NN sound)) (VP (MD will) (VP (VB register) (PP (IN on) (NP (NP (DT the) (NN ear)) (PP (IN as) (NP (DT either))))) (ADVP (ADVP (RBR louder)) (CC or) (ADVP (JJR softer))) (, ,) (PP (VBG depending) (PP (IN on) (NP (NP (DT the) (NN sound)) (SBAR (WHNP (WDT that)) (S (VP (VBZ precedes) (CC and) (VBZ follows) (NP (PRP it)))))))))) (. .)))
For example, a loud sound will register on the ear as either louder or softer, depending on the sound that precedes and follows it.
(ROOT (S (NP (NP (DT The) (NN sound)) (PP (IN in) (NP (DT a) (JJ loud) (NN classroom)))) (VP (VBZ is) (NP (NP (DT an) (NN example)) (PP (IN of) (NP (NP (DT a) (NN form)) (PP (IN of) (NP (NN energy))))))) (. .)))