( ( Hydrocarbons Hydrocarbons ) ( ( are ( ( a ( diverse group ) ) ( of ( chemicals ( formed ( from ( ( hydrogen and ) carbon ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Hydrocarbons) (NNP Hydrocarbons)) (VP (VBP are) (NP (NP (DT a) (JJ diverse) (NN group)) (PP (IN of) (NP (NP (NNS chemicals)) (VP (VBN formed) (PP (IN from) (NP (NN hydrogen) (CC and) (NN carbon)))))))) (. .)))
Hydrocarbons Hydrocarbons are a diverse group of chemicals formed from hydrogen and carbon.
(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))))))) (. .)))