( ( ( Inner ( ear mechanisms ) ) ( that ( ( ( amplify and ) reduce ) ( loud sounds ) ) ) ) ( ( are ( damaged ( by noise ) ) ) . ) )
(ROOT (S (NP (NP (JJ Inner) (NN ear) (NNS mechanisms)) (SBAR (WHNP (WDT that)) (S (VP (VB amplify) (CC and) (VB reduce) (NP (JJ loud) (NNS sounds)))))) (VP (VBP are) (VP (VBN damaged) (PP (IN by) (NP (NN noise))))) (. .)))
Inner ear mechanisms that amplify and reduce loud sounds are damaged by noise.
(ROOT (S (S (VP (VBN Amplified))) (, ,) (NP (PRP it)) (VP (VBZ becomes) (SBAR (S (NP (NNP louder)) (VP (VBZ happens) (VP (VB do) (NP (DT the) (NN sound)) (PP (IN during) (NP (DT a) (NN resonance)))))))) (. .)))