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)))) (. .)))
This decision was a really easy one for me.
( ( This decision ) ( ( was ( ( a ( ( really easy ) one ) ) ( for me ) ) ) . ) )
(ROOT (S (NP (DT This) (NN decision)) (VP (VBD was) (NP (NP (DT a) (ADJP (RB really) (JJ easy)) (NN one)) (PP (IN for) (NP (PRP me))))) (. .)))