( ( ( two sets ) ( of ( ( chromosomes ; ) ( ( the ( diploid number ) ) ( for ( a ( human cell ) ) ) ) ) ) ) ( is 46 ) )
(ROOT (S (NP (NP (CD two) (NNS sets)) (PP (IN of) (NP (NP (NNS chromosomes)) (: ;) (NP (NP (DT the) (JJ diploid) (NN number)) (PP (IN for) (NP (DT a) (JJ human) (NN cell))))))) (VP (VBZ is) (NP (CD 46)))))
two sets of chromosomes; the diploid number for a human cell is 46
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD 46) (NNS chromosomes) (NNS chromosomes)) (PP (IN in) (NP (DT a) (JJ diploid) (JJ human) (NN cell))))) (. .)))