proves once again that he 's the best brush in the business 
(ROOT (VP (VBZ proves) (ADVP (RB once) (RB again)) (SBAR (IN that) (S (NP (PRP he)) (VP (VBZ 's) (NP (NP (DT the) (JJS best) (NN brush)) (PP (IN in) (NP (DT the) (NN business)))))))))
(ROOT (VP (VBZ ) (ADVP (RB ) (RB )) (SBAR (IN ) (S (NP (PRP )) (VP (VBZ ) (NP (NP (DT ) (JJS ) (NN )) (PP (IN ) (NP (DT ) (NN )))))))))