She'd go, Oh no, he's not mine.
( She ( ( 'd ( ( ( ( go , ) ( Oh no ) ) , ) ( he ( ( 's not ) mine ) ) ) ) . ) )
(ROOT (S (NP (PRP She)) (VP (MD 'd) (VP (VB go) (, ,) (INTJ (UH Oh) (UH no)) (, ,) (S (NP (PRP he)) (VP (VBZ 's) (RB not) (NP (NN mine)))))) (. .)))
She never once claimed that he wasn't hers. 
( She ( never ( ( once ( claimed ( that ( he ( ( was n't ) hers ) ) ) ) ) . ) ) )
(ROOT (S (NP (PRP She)) (ADVP (RB never)) (VP (ADVP (RB once)) (VBD claimed) (SBAR (IN that) (S (NP (PRP he)) (VP (VBD was) (RB n't) (ADJP (JJ hers)))))) (. .)))