( ( ( A hydrocarbon ) ( with ( four ( Hydrogen atoms ) ) ) ) ( ( attached ( to ( ( each ( Carbon atom ) ) ( -LRB- ( ( CH 4 ) -RRB- ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN hydrocarbon)) (PP (IN with) (NP (CD four) (NNP Hydrogen) (NNS atoms)))) (VP (VBN attached) (PP (TO to) (NP (NP (DT each) (NNP Carbon) (NN atom)) (PRN (-LRB- -LRB-) (NP (NNP CH) (CD 4)) (-RRB- -RRB-))))) (. .)))
A hydrocarbon with four Hydrogen atoms attached to each Carbon atom (CH 4 ).
(ROOT (S (NP (NNS Hydrocarbons)) (VP (VBP are) (VP (VBN made) (PP (IN of) (NP (NP (CD one) (NN carbon)) (CC and) (NP (CD four) (NN hydrogen) (NNS atoms)))))) (. .)))
Hydrocarbons are made of one carbon and four hydrogen atoms.