long enough to read the subtitles 
(ROOT (ADVP (JJ long) (RB enough) (S (VP (TO to) (VP (VB read) (NP (DT the) (NNS subtitles)))))))
(ROOT (ADVP (JJ ) (RB ) (S (VP (TO ) (VP (VB ) (NP (DT ) (NNS )))))))