Uh, let's see.
( Uh ( , ( ( let 's ) ( see . ) ) ) )
(ROOT (S (ADVP (RB Uh)) (, ,) (NP (NNP let) (POS 's)) (VP (VBP see)) (. .)))
Let's not find out.
( ( ( ( Let 's ) not ) ( find out ) ) . )
(ROOT (S (VP (VB Let) (NP (PRP 's)) (RB not) (VP (VB find) (PRT (RP out)))) (. .)))