( ( Three ( of ( the four ) ) ) ( ( had ( ( many years ) ( of ( cycling experience ) ) ) ) ; ) )
(ROOT (S (NP (NP (CD Three)) (PP (IN of) (NP (DT the) (CD four)))) (VP (VBD had) (NP (NP (JJ many) (NNS years)) (PP (IN of) (NP (NN cycling) (NN experience))))) (: ;)))
Three of the four had many years of cycling experience;
(ROOT (S (NP (NNS Cells)) (VP (VBP have) (NP (CD four) (NNS cycles))) (. .)))