Um, not too many stories about my dad's childhood.
( ( ( Um , ) ( ( ( not ( too many ) ) stories ) ( about ( ( my ( dad 's ) ) childhood ) ) ) ) . )
(ROOT (NP (NP (NNP Um)) (, ,) (NP (NP (ADJP (RB not) (RB too) (JJ many)) (NNS stories)) (PP (IN about) (NP (NP (PRP$ my) (NN dad) (POS 's)) (NN childhood)))) (. .)))
My dad doesn't remember much of his childhood.
( ( My dad ) ( ( ( does n't ) ( remember ( much ( of ( his childhood ) ) ) ) ) . ) )
(ROOT (S (NP (PRP$ My) (NN dad)) (VP (VBZ does) (RB n't) (VP (VB remember) (NP (NP (RB much)) (PP (IN of) (NP (PRP$ his) (NN childhood)))))) (. .)))