But, uh, I guess I did that for it must have been close to, um, a year and a half maybe, and then I decided not, and ended up leaving.
( But ( , ( uh ( , ( I ( ( guess ( ( ( ( I ( ( did ( ( that for ) ( it ( must ( have ( been ( ( ( close to ) , ) ( ( ( ( um , ) ( a year ) ) and ) ( a half ) ) ) ) ) ) ) ) ) maybe ) ) , ) and ) ( then ( I ( ( ( ( decided not ) , ) and ) ( ( ended up ) leaving ) ) ) ) ) ) . ) ) ) ) ) )
(ROOT (S (CC But) (, ,) (INTJ (UH uh)) (, ,) (NP (PRP I)) (VP (VBP guess) (SBAR (S (S (NP (PRP I)) (VP (VBD did) (SBAR (IN that) (IN for) (S (NP (PRP it)) (VP (MD must) (VP (VB have) (VP (VBN been) (NP (NP (QP (JJ close) (TO to))) (, ,) (NP (NP (NN um)) (, ,) (NP (DT a) (NN year)) (CC and) (NP (DT a) (NN half))))))))) (ADVP (RB maybe)))) (, ,) (CC and) (S (ADVP (RB then)) (NP (PRP I)) (VP (VP (VBD decided) (RB not)) (, ,) (CC and) (VP (VBD ended) (PRT (RP up)) (S (VP (VBG leaving))))))))) (. .)))
I ended up leaving after about a year and a half. 
( I ( ( ( ended up ) ( leaving ( after ( ( ( about ( a year ) ) and ) ( a half ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD ended) (PRT (RP up)) (S (VP (VBG leaving) (PP (IN after) (NP (NP (RB about) (DT a) (NN year)) (CC and) (NP (DT a) (NN half))))))) (. .)))