that i ca n't remember a single name responsible for it 
(ROOT (SBAR (IN that) (S (NP (PRP i)) (VP (MD ca) (RB n't) (VP (VB remember) (NP (NP (DT a) (JJ single) (NN name)) (ADJP (JJ responsible) (PP (IN for) (NP (PRP it))))))))))
(ROOT (SBAR (IN ) (S (NP (PRP )) (VP (MD ) (RB ) (VP (VB ) (NP (NP (DT ) (JJ ) (NN )) (ADJP (JJ ) (PP (IN ) (NP (PRP ))))))))))