( ( ( DNA ( II ( The DNA ) ) ) ( in ( a chromosome ) ) ) ( ( consists ( of ( ( two ( long chains ) ) ( wrapped ( in ( a ( double helix ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP DNA) (NNP II) (NNP The) (NNP DNA)) (PP (IN in) (NP (DT a) (NN chromosome)))) (VP (VBZ consists) (PP (IN of) (NP (NP (CD two) (JJ long) (NNS chains)) (VP (VBN wrapped) (PP (IN in) (NP (DT a) (JJ double) (NN helix))))))) (. .)))
DNA II The DNA in a chromosome consists of two long chains wrapped in a double helix.
(ROOT (S (NP (NNP Dna)) (VP (VBZ consists) (PP (IN of) (NP (NP (CD two) (JJ long) (NNS chains)) (PP (IN of) (NP (NNS nucleotides)))))) (. .)))