that celebi could take me back to a time before i saw this movie 
(ROOT (SBAR (IN that) (S (NP (NN celebi)) (VP (MD could) (VP (VB take) (NP (PRP me)) (ADVP (RB back) (PP (IN to) (NP (NP (DT a) (NN time)) (SBAR (IN before) (S (NP (PRP i)) (VP (VBD saw) (NP (DT this) (NN movie)))))))))))))
(ROOT (SBAR (IN ) (S (NP (NN )) (VP (MD ) (VP (VB ) (NP (PRP )) (ADVP (RB ) (PP (IN ) (NP (NP (DT ) (NN )) (SBAR (IN ) (S (NP (PRP )) (VP (VBD ) (NP (DT ) (NN )))))))))))))