What am I to do with them afterwards?"
( What ( ( ( ( am I ) ( to ( ( do ( with them ) ) afterwards ) ) ) ? ) '' ) )
(ROOT (SBARQ (WHNP (WP What)) (SQ (VBP am) (NP (PRP I)) (S (VP (TO to) (VP (VB do) (PP (IN with) (NP (PRP them))) (ADVP (RB afterwards)))))) (. ?) ('' '')))
The narrator knows what to do with them.
( ( The narrator ) ( ( knows ( what ( to ( do ( with them ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN narrator)) (VP (VBZ knows) (SBAR (WHNP (WP what)) (S (VP (TO to) (VP (VB do) (PP (IN with) (NP (PRP them)))))))) (. .)))