that the answer is as conventional as can be 
(ROOT (SBAR (IN that) (S (NP (DT the) (NN answer)) (VP (VBZ is) (ADJP (ADJP (RB as) (JJ conventional)) (SBAR (IN as) (S (VP (MD can) (VP (VB be))))))))))
(ROOT (SBAR (IN ) (S (NP (DT ) (NN )) (VP (VBZ ) (ADJP (ADJP (RB ) (JJ )) (SBAR (IN ) (S (VP (MD ) (VP (VB ))))))))))