( There ( ( are ( ( four stages ) ( in ( the ( normal ( cell cycle ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD four) (NNS stages)) (PP (IN in) (NP (DT the) (JJ normal) (NN cell) (NN cycle))))) (. .)))
There are four stages in the normal cell cycle.
(ROOT (S (NP (NNS Cells)) (VP (VBP have) (NP (CD four) (NNS cycles))) (. .)))