( destruction ( of ( red ( blood cells ) ) ) )
(ROOT (NP (NP (NN destruction)) (PP (IN of) (NP (JJ red) (NN blood) (NNS cells)))))
destruction of red blood cells
(ROOT (S (NP (NNP Red) (NN blood) (NNS cells)) (VP (VBP are) (NP (DT the) (RBS most) (JJ numerous) (NN blood) (NNS cells))) (. .)))