the movie is certainly easy to watch . 
(ROOT (S (NP (DT the) (NN movie)) (VP (VBZ is) (ADVP (RB certainly)) (ADJP (JJ easy) (SBAR (S (VP (TO to) (VP (VB watch))))))) (. .)))
(ROOT (S (NP (DT ) (NN )) (VP (VBZ ) (ADVP (RB )) (ADJP (JJ ) (SBAR (S (VP (TO ) (VP (VB ))))))) (. )))