( ( Organic molecules ) ( ( have ( ( carbon and ) hydrogen ) ) ; ) )
(ROOT (S (NP (NNP Organic) (NNS molecules)) (VP (VBP have) (NP (NN carbon) (CC and) (NN hydrogen))) (: ;)))
Organic molecules have carbon and hydrogen;
(ROOT (S (NP (DT The) (NN element) (NN carbon)) (VP (VBZ is) (ADJP (JJ present) (PP (IN in) (NP (DT all) (JJ organic) (NNS molecules))))) (. .)))
The element carbon is present in all organic molecules.