( ( Chlorinated hydrocarbons ) ( ( are ( ( ( a group ) ( of ( organic compounds ) ) ) ( that ( contain chlorine ) ) ) ) . ) )
(ROOT (S (NP (JJ Chlorinated) (NNS hydrocarbons)) (VP (VBP are) (NP (NP (DT a) (NN group)) (PP (IN of) (NP (JJ organic) (NNS compounds))) (SBAR (WHNP (WDT that)) (S (VP (VBP contain) (NP (NN chlorine))))))) (. .)))
Chlorinated hydrocarbons are a group of organic compounds that contain chlorine.
(ROOT (S (NP (DT A) (NN lipid)) (VP (VBZ is) (NP (NP (CD one)) (PP (IN of) (NP (NP (DT a) (ADJP (RB highly) (JJ diverse)) (NN group)) (PP (IN of) (NP (NP (NNS compounds)) (VP (VBN made) (PRT (RP up)) (ADVP (RB mostly))))) (PP (IN of) (NP (NNS hydrocarbons))))))) (. .)))