( ( ( The ( four stages ) ) ( in ( the ( cell cycle ) ) ) ) ( ( include ( ( ( ( ( ( ( G1 , ) S ) , ) G2 ) , ) and ) mitosis ) ) . ) )
(ROOT (S (NP (NP (DT The) (CD four) (NNS stages)) (PP (IN in) (NP (DT the) (NN cell) (NN cycle)))) (VP (VBP include) (NP (NP (NNP G1)) (, ,) (NP (NNP S)) (, ,) (NP (NN G2)) (, ,) (CC and) (NP (NNS mitosis)))) (. .)))
The four stages in the cell cycle include G1, S, G2, and mitosis.
(ROOT (S (NP (NNS Cells)) (VP (VBP have) (NP (CD four) (NNS cycles))) (. .)))