Sir, they're going to want to know what to do.
( Sir ( , ( they ( ( 're ( going ( to ( want ( to ( know ( what ( to do ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (NP (NNP Sir)) (, ,) (NP (PRP they)) (VP (VBP 're) (VP (VBG going) (S (VP (TO to) (VP (VB want) (S (VP (TO to) (VP (VB know) (SBAR (WHNP (WP what)) (S (VP (TO to) (VP (VB do))))))))))))) (. .)))
They're going to want to know how to react to this tragedy in their own towns.
( They ( ( 're ( going ( to ( want ( to ( know ( how ( to ( react ( to ( ( this tragedy ) ( in ( their ( own towns ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBP 're) (VP (VBG going) (S (VP (TO to) (VP (VB want) (S (VP (TO to) (VP (VB know) (SBAR (WHADVP (WRB how)) (S (VP (TO to) (VP (VB react) (PP (TO to) (NP (NP (DT this) (NN tragedy)) (PP (IN in) (NP (PRP$ their) (JJ own) (NNS towns))))))))))))))))) (. .)))