( What ( ( are ( ( the ( four phases ) ) ( of ( the ( cell cycle ) ) ) ) ) ? ) )
(ROOT (SBARQ (WHNP (WP What)) (SQ (VBP are) (NP (NP (DT the) (CD four) (NNS phases)) (PP (IN of) (NP (DT the) (NN cell) (NN cycle))))) (. ?)))
What are the four phases of the cell cycle?
(ROOT (S (NP (NNS Cells)) (VP (VBP have) (NP (CD four) (NNS cycles))) (. .)))