( Isocyanate ( ( means ( ( a ( reactive ( chemical grouping ) ) ) ( ( ( composed ( of ( a ( nitrogen ( atom bonded ) ) ) ) ) ( to ( a ( carbon ( atom bonded ) ) ) ) ) ( to ( an ( oxygen atom ) ) ) ) ) ) ; ) )
(ROOT (S (NP (NNP Isocyanate)) (VP (VBZ means) (NP (NP (DT a) (JJ reactive) (NN chemical) (NN grouping)) (VP (VBN composed) (PP (IN of) (NP (DT a) (NN nitrogen) (NN atom) (NN bonded))) (PP (TO to) (NP (DT a) (NN carbon) (NN atom) (NN bonded))) (PP (TO to) (NP (DT an) (NN oxygen) (NN atom)))))) (: ;)))
Isocyanate means a reactive chemical grouping composed of a nitrogen atom bonded to a carbon atom bonded to an oxygen atom;
(ROOT (S (NP (NNS Amines)) (VP (VBP are) (VP (VBN classified) (PP (VBG according) (PP (TO to) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NP (NN carbon) (NNS atoms)) (VP (VBG bonded) (ADVP (RB directly)) (PP (TO to) (NP (DT a) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (JJ nitrogen) (NN atom))))))))))) (. .)))