the power and grace of one of the greatest natural sportsmen of modern times 
(ROOT (NP (NP (DT the) (NN power) (CC and) (NN grace)) (PP (IN of) (NP (NP (CD one)) (PP (IN of) (NP (NP (DT the) (JJS greatest) (JJ natural) (NNS sportsmen)) (PP (IN of) (NP (JJ modern) (NNS times)))))))))
(ROOT (NP (NP (DT ) (NN ) (CC ) (NN )) (PP (IN ) (NP (NP (CD )) (PP (IN ) (NP (NP (DT ) (JJS ) (JJ ) (NNS )) (PP (IN ) (NP (JJ ) (NNS )))))))))