( ( ( Catalysts And ) Catalytic ) ( ( Reactions 5 ) . ) )
(ROOT (S (NP (NNP Catalysts) (CC And) (NNP Catalytic)) (VP (VBZ Reactions) (NP (CD 5))) (. .)))
Catalysts And Catalytic Reactions 5.
(ROOT (S (SBAR (IN If) (S (NP (DT a) (NN catalyst)) (VP (VBZ runs) (PRT (RP out))))) (, ,) (NP (DT the) (NN reaction)) (VP (VBZ slows)) (. .)))