nearly every attempt at humor here is doa . 
(ROOT (S (NP (NP (RB nearly) (DT every) (NN attempt)) (PP (IN at) (NP (NN humor))) (ADVP (RB here))) (VP (VBZ is) (NP (NN doa))) (. .)))
(ROOT (S (NP (NP (RB ) (DT ) (NN )) (PP (IN ) (NP (NN ))) (ADVP (RB ))) (VP (VBZ ) (NP (NN ))) (. )))