sentence1_binary_parse: ( ( The ( centriole pairs ) ) ( ( serve ( as ( ( ( microtubule-organizing centers ) ( -LRB- ( centrosomes -RRB- ) ) ) ( ( around which ) ( ( the ( mitotic spindle ) ) forms ) ) ) ) ) . ) )
sentence1_parse: (ROOT (S (NP (DT The) (JJ centriole) (NNS pairs)) (VP (VBP serve) (PP (IN as) (NP (NP (JJ microtubule-organizing) (NNS centers)) (PRN (-LRB- -LRB-) (NP (NNS centrosomes)) (-RRB- -RRB-)) (SBAR (WHPP (IN around) (WHNP (WDT which))) (S (NP (DT the) (JJ mitotic) (NN spindle)) (VP (VBZ forms))))))) (. .)))
sentence1: The centriole pairs serve as microtubule-organizing centers (centrosomes) around which the mitotic spindle forms.
sentence2_parse: (ROOT (S (NP (DT A) (JJ mitotic) (NN spindle)) (VP (VBZ forms) (PP (IN from) (NP (DT the) (NNS centrosomes)))) (. .)))
sentence2: A mitotic spindle forms from the centrosomes.