( ( If ( ( the sounds ) ( ( are not ) clear ) ) ) ( , ( ( increase ( in volume ) ) ( ( ( will not ) ( be ( that beneficial ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (DT the) (NNS sounds)) (VP (VBP are) (RB not) (ADJP (JJ clear))))) (, ,) (NP (NP (NN increase)) (PP (IN in) (NP (NN volume)))) (VP (MD will) (RB not) (VP (VB be) (ADJP (RB that) (JJ beneficial)))) (. .)))
If the sounds are not clear, increase in volume will not be that beneficial.
(ROOT (S (PP (IN From) (NP (NP (NNS observations)) (ADJP (RB as) (JJ simple) (PP (IN as) (S (VP (VBG blowing) (PRT (RP up)) (NP (DT a) (NN balloon)))))))) (, ,) (NP (PRP it)) (VP (VBZ is) (ADJP (JJ clear)) (SBAR (IN that) (S (S (VP (VBG increasing) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NN gas)))))) (VP (VBZ increases) (NP (DT the) (NN volume)))))) (. .)))