went over my head or -- considering just 
(ROOT (VP (VP (VBD went) (PP (IN over) (NP (PRP$ my) (NN head)))) (CC or) (HYPH --) (S (VP (VBG considering) (ADVP (RB just))))))
(ROOT (VP (VP (VBD ) (PP (IN ) (NP (PRP$ ) (NN )))) (CC ) (HYPH ) (S (VP (VBG ) (ADVP (RB ))))))