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