( ( A ( diisocyanate compound ) ) ( ( is ( ( a molecule ) ( composed ( of ( ( ( two ( isocyanate groups ) ) , ) ( each ( consisting ( of ( ( a ( carbon atom ) ) ( double-bonded ( to ( both ( ( ( an ( oxygen atom ) ) and ) ( a ( nitrogen atom ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (JJ diisocyanate) (NN compound)) (VP (VBZ is) (NP (NP (DT a) (NN molecule)) (VP (VBN composed) (PP (IN of) (NP (NP (CD two) (JJ isocyanate) (NNS groups)) (, ,) (NP (NP (DT each)) (VP (VBG consisting) (PP (IN of) (NP (NP (DT a) (NN carbon) (NN atom)) (VP (VBN double-bonded) (PP (TO to) (NP (PDT both) (NP (DT an) (NN oxygen) (NN atom)) (CC and) (NP (DT a) (NN nitrogen) (NN atom)))))))))))))) (. .)))
A diisocyanate compound is a molecule composed of two isocyanate groups, each consisting of a carbon atom double-bonded to both an oxygen atom and a nitrogen atom.
(ROOT (S (NP (DT An) (NN ether)) (VP (VBZ is) (NP (NP (DT an) (JJ organic) (NN compound)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (CD two) (NN hydrocarbon) (NNS groups)) (VP (VBP are) (VP (VBG bonded) (PP (TO to) (NP (DT the) (JJ same) (NN oxygen) (NN atom))))))))) (. .)))