( ( produces ( red ( blood cells ) ) ) ; )
(ROOT (S (VP (VBG produces) (NP (JJ red) (NN blood) (NNS cells))) (: ;)))
produces 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))) (. .)))