( Prevent ( normally ( ( loud ( sounds ( from ( becoming uncomfortable ) ) ) ) . ) ) )
(ROOT (S (NP (NNP Prevent)) (ADVP (RB normally)) (VP (ADVP (JJ loud)) (VBZ sounds) (PP (IN from) (S (VP (VBG becoming) (ADJP (JJ uncomfortable)))))) (. .)))
Prevent normally loud sounds from becoming uncomfortable.
(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)))))))) (. .)))