( -LRB- ( ( Loud ( running sounds ) ) ( ( ( followed ( by ( labored breathing ) ) ) -RRB- ) . ) ) )
(ROOT (S (-LRB- -LRB-) (NP (JJ Loud) (JJ running) (NNS sounds)) (VP (VBD followed) (PP (IN by) (NP (JJ labored) (NN breathing)))) (-RRB- -RRB-) (. .)))
(Loud running sounds followed by labored breathing).
(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))))))) (. .)))