( ( ( ( ( ( Phases two ) , ) three ) and ) four ) ( ( were ( ( the ( actual ( treatment phases ) ) ) ( of ( the program ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Phases) (CD two) (, ,) (CD three)) (CC and) (NP (CD four))) (VP (VBD were) (NP (NP (DT the) (JJ actual) (NN treatment) (NNS phases)) (PP (IN of) (NP (DT the) (NN program))))) (. .)))
Phases two, three and four were the actual treatment phases of the program.
(ROOT (S (NP (NNS Mitosis)) (ADVP (RB actually)) (VP (VBZ occurs) (PP (IN in) (NP (CD four) (NNS phases)))) (. .)))
Mitosis actually occurs in four phases.