( ( ( ( Physical Sciences ) ( -LRB- ( ( ( Chemistry and ) Physics ) -RRB- ) ) ) , ) ( 63 . ) )
(ROOT (S (NP (NP (NNP Physical) (NNPS Sciences)) (PRN (-LRB- -LRB-) (NP (NNP Chemistry) (CC and) (NNP Physics)) (-RRB- -RRB-)) (, ,)) (VP (VBZ 63)) (. .)))
Physical Sciences (Chemistry and Physics), 63.
(ROOT (S (NP (NP (NNP Chemistry)) (CC and) (NP (NNS physics))) (VP (VBP are) (NP (NP (NNS fields)) (PP (IN in) (NP (JJ physical))))) (. .)))