( ( ( Chromosomes ( -LRB- ( ( Jan. 23 ) -RRB- ) ) ) ( ( 23 pairs ) ( of ( ( chromosomes ( in ( human ( body cells ) ) ) ) ( -LRB- ( diploid -RRB- ) ) ) ) ) ) . )
(ROOT (NP (NP (NP (NNS Chromosomes)) (PRN (-LRB- -LRB-) (NP (NNP Jan.) (CD 23)) (-RRB- -RRB-))) (NP (NP (CD 23) (NNS pairs)) (PP (IN of) (NP (NP (NNS chromosomes)) (PP (IN in) (NP (JJ human) (NN body) (NNS cells))) (PRN (-LRB- -LRB-) (VP (VBN diploid)) (-RRB- -RRB-))))) (. .)))
Chromosomes (Jan. 23) 23 pairs of chromosomes in human body cells (diploid).
(ROOT (S (NP (DT A) (JJ normal) (JJ human) (NN liver) (NN cell)) (VP (VBZ has) (NP (NP (CD 23) (NNS pairs)) (PP (IN of) (NP (NNS chromosomes))))) (. .)))