( ( ( Red or ) ( white ( blood cells ) ) ) . )
(ROOT (NP (NP (NP (NNP Red)) (CC or) (NP (JJ white) (NN blood) (NNS cells))) (. .)))
Red or white 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))) (. .)))