Now what about your mom?
( ( Now what ) ( ( about ( your mom ) ) ? ) )
(ROOT (FRAG (X (ADVP (RB Now)) (NP (WP what))) (PP (IN about) (NP (PRP$ your) (NN mom)) (. ?))))
Let's talk about your mom now.
( ( Let 's ) ( ( ( talk ( about ( your mom ) ) ) now ) . ) )
(ROOT (S (NP (NNP Let) (POS 's)) (VP (VBP talk) (PP (IN about) (NP (PRP$ your) (NN mom))) (ADVP (RB now))) (. .)))