actually happened as if it were the third ending of clue 
(ROOT (S (ADVP (RB actually)) (VP (VBD happened) (SBAR (IN as) (IN if) (S (NP (PRP it)) (VP (VBD were) (NP (NP (DT the) (JJ third) (NN ending)) (PP (IN of) (NP (NN clue))))))))))
(ROOT (S (ADVP (RB )) (VP (VBD ) (SBAR (IN ) (IN ) (S (NP (PRP )) (VP (VBD ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NN ))))))))))