sentence1_binary_parse: ( ( 1 -RRB- ) ( ( Each sperm ) ( ( has ( ( ( ( ( ( ( ( a head ) ( -LRB- ( ( ( nucleus and ) acrosome ) -RRB- ) ) ) , ) ( midpiece ( -LRB- ( mitochondria -RRB- ) ) ) ) , ) and ) tail ) ( -LRB- ( microtubules -RRB- ) ) ) ) . ) ) )
sentence1_parse: (ROOT (S (LST (LS 1) (-RRB- -RRB-)) (NP (DT Each) (NN sperm)) (VP (VBZ has) (NP (NP (NP (NP (DT a) (NN head)) (PRN (-LRB- -LRB-) (NP (NP (NN nucleus)) (CC and) (NP (NN acrosome))) (-RRB- -RRB-))) (, ,) (NP (NP (NN midpiece)) (PRN (-LRB- -LRB-) (NP (NNP mitochondria)) (-RRB- -RRB-))) (, ,) (CC and) (NP (NN tail))) (PRN (-LRB- -LRB-) (NP (NNS microtubules)) (-RRB- -RRB-)))) (. .)))
sentence1: 1) Each sperm has a head (nucleus and acrosome), midpiece (mitochondria), and tail (microtubules).
sentence2_parse: (ROOT (S (NP (NP (DT The) (NN head)) (PP (IN of) (NP (DT the) (NN sperm)))) (VP (VBZ contains) (NP (DT the) (NN nucleus))) (. .)))
sentence2: The head of the sperm contains the nucleus.