( ( ALIPHATIC ( COMPOUND Organic ) ) ( ( molecule ( consisting ( of ( straight ( or ( branched ( carbon chains ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP ALIPHATIC) (NNP COMPOUND) (NNP Organic)) (VP (VBZ molecule) (S (VP (VBG consisting) (PP (IN of) (NP (JJ straight) (CC or) (JJ branched) (NN carbon) (NNS chains)))))) (. .)))
ALIPHATIC COMPOUND Organic molecule consisting of straight or branched carbon chains.
(ROOT (S (NP (VBG Living) (NNS organisms)) (VP (VBP are) (VP (VBN comprised) (PP (IN of) (NP (NP (JJ organic) (NNS compounds)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (NP (NP (NNS molecules)) (VP (VBN built) (PP (IN around) (NP (NN carbon)))))))))))) (. .)))