( ( A ( hearing aid ) ) ( ( should ( ( prevent ( loud sounds ) ) ( from ( becoming ( uncomfortably loud ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN hearing) (NN aid)) (VP (MD should) (VP (VB prevent) (NP (JJ loud) (NNS sounds)) (PP (IN from) (S (VP (VBG becoming) (ADJP (RB uncomfortably) (JJ loud))))))) (. .)))
A hearing aid should prevent loud sounds from becoming uncomfortably loud.
(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)))))))) (. .)))