you only need to watch for about thirty seconds before you say to yourself , ` ah , yes 
(ROOT (S (NP (PRP you)) (ADVP (RB only)) (VP (VBP need) (S (VP (TO to) (VP (VB watch) (PP (IN for) (NP (QP (RB about) (CD thirty)) (NNS seconds))) (SBAR (IN before) (S (NP (PRP you)) (VP (VBP say) (PP (IN to) (NP (PRP yourself))) (, ,) (`` `) (INTJ (UH ah)) (, ,) (X (UH yes)))))))))))
(ROOT (S (NP (PRP )) (ADVP (RB )) (VP (VBP ) (S (VP (TO ) (VP (VB ) (PP (IN ) (NP (QP (RB ) (CD )) (NNS ))) (SBAR (IN ) (S (NP (PRP )) (VP (VBP ) (PP (IN ) (NP (PRP ))) (, ) (`` ) (INTJ (UH )) (, ) (X (UH )))))))))))