if it 's not entirely memorable , the movie is certainly easy to watch . 
(ROOT (S (SBAR (IN if) (S (NP (PRP it)) (VP (VBZ 's) (RB not) (ADJP (RB entirely) (JJ memorable))))) (, ,) (NP (DT the) (NN movie)) (VP (VBZ is) (ADVP (RB certainly)) (ADJP (JJ easy) (SBAR (S (VP (TO to) (VP (VB watch))))))) (. .)))
(ROOT (S (SBAR (IN ) (S (NP (PRP )) (VP (VBZ ) (RB ) (ADJP (RB ) (JJ ))))) (, ) (NP (DT ) (NN )) (VP (VBZ ) (ADVP (RB )) (ADJP (JJ ) (SBAR (S (VP (TO ) (VP (VB ))))))) (. )))