you may just end up trying to drown yourself in a lake afterwards . 
(ROOT (S (NP (PRP you)) (VP (MD may) (ADVP (RB just)) (VP (VB end) (PRT (RP up)) (S (VP (VBG trying) (S (VP (TO to) (VP (VB drown) (NP (PRP yourself)) (PP (IN in) (NP (DT a) (NN lake))) (ADVP (RB afterwards))))))))) (. .)))
(ROOT (S (NP (PRP )) (VP (MD ) (ADVP (RB )) (VP (VB ) (PRT (RP )) (S (VP (VBG ) (S (VP (TO ) (VP (VB ) (NP (PRP )) (PP (IN ) (NP (DT ) (NN ))) (ADVP (RB ))))))))) (. )))