sentence1_binary_parse: ( Step ( four ( of mitosis ) ) )
sentence1_parse: (ROOT (S (VP (VB Step) (NP (NP (CD four)) (PP (IN of) (NP (NNS mitosis)))))))
sentence1: Step four of mitosis
sentence2_parse: (ROOT (S (NP (NNS Mitosis)) (ADVP (RB actually)) (VP (VBZ occurs) (PP (IN in) (NP (CD four) (NNS phases)))) (. .)))
sentence2: Mitosis actually occurs in four phases.