There you are.
( There ( you ( are . ) ) )
(ROOT (S (ADVP (RB There)) (NP (PRP you)) (VP (VBP are)) (. .)))
I don't know where you are.
( I ( ( ( do n't ) ( know ( where ( you are ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP do) (RB n't) (VP (VB know) (SBAR (WHADVP (WRB where)) (S (NP (PRP you)) (VP (VBP are)))))) (. .)))