I've, I've decided and it's very hard.
( ( ( ( ( ( I 've ) , ) ( I ( 've decided ) ) ) and ) ( it ( 's ( very hard ) ) ) ) . )
(ROOT (S (S (NP (PRP I)) (VP (VBP 've))) (, ,) (S (NP (PRP I)) (VP (VBP 've) (VP (VBN decided)))) (CC and) (S (NP (PRP it)) (VP (VBZ 's) (ADJP (RB very) (JJ hard)))) (. .)))
It's been difficult, but I've made a decision.
( ( ( ( ( It ( 's ( been difficult ) ) ) , ) but ) ( I ( 've ( made ( a decision ) ) ) ) ) . )
(ROOT (S (S (NP (PRP It)) (VP (VBZ 's) (VP (VBN been) (ADJP (JJ difficult))))) (, ,) (CC but) (S (NP (PRP I)) (VP (VBP 've) (VP (VBN made) (NP (DT a) (NN decision))))) (. .)))