i have to admit i walked out of runteldat . 
(ROOT (S (NP (PRP i)) (VP (VBP have) (S (VP (TO to) (VP (VB admit) (SBAR (S (NP (PRP i)) (VP (VBD walked) (PP (IN out) (PP (IN of) (NP (NN runteldat))))))))))) (. .)))
(ROOT (S (NP (PRP )) (VP (VBP ) (S (VP (TO ) (VP (VB ) (SBAR (S (NP (PRP )) (VP (VBD ) (PP (IN ) (PP (IN ) (NP (NN ))))))))))) (. )))