you never know where changing lanes is going to take you 
(ROOT (S (NP (PRP you)) (ADVP (RB never)) (VP (VBP know) (SBAR (WHADVP (WRB where)) (S (S (VP (VBG changing) (NP (NNS lanes)))) (VP (VBZ is) (VP (VBG going) (S (VP (TO to) (VP (VB take) (NP (PRP you))))))))))))
(ROOT (S (NP (PRP )) (ADVP (RB )) (VP (VBP ) (SBAR (WHADVP (WRB )) (S (S (VP (VBG ) (NP (NNS )))) (VP (VBZ ) (VP (VBG ) (S (VP (TO ) (VP (VB ) (NP (PRP ))))))))))))