Local residents will tell you where to find them.
( ( Local residents ) ( ( will ( ( tell you ) ( where ( to ( find them ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Local) (NNS residents)) (VP (MD will) (VP (VB tell) (NP (PRP you)) (SBAR (WHADVP (WRB where)) (S (VP (TO to) (VP (VB find) (NP (PRP them)))))))) (. .)))
You'll need to buy a map in advance of arrival to find them.
( You ( ( 'll ( need ( to ( ( buy ( ( a map ) ( in ( advance ( of arrival ) ) ) ) ) ( to ( find them ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP You)) (VP (MD 'll) (VP (VB need) (S (VP (TO to) (VP (VB buy) (NP (NP (DT a) (NN map)) (PP (IN in) (NP (NP (NN advance)) (PP (IN of) (NP (NN arrival)))))) (S (VP (TO to) (VP (VB find) (NP (PRP them)))))))))) (. .)))