(S (S (NP (BASENP (DT The) (NN possibility)) (SBAR (IN that) (S (S (BASENP (DT the) (NN proposal)) (VP (MD may) (VP (VB run) (PP (IN into) (BASENP (DT some) (NN trouble)))))) (SBAR (WHADVP (WRB when)) (S (VP (VBN put) (PP (IN before) (BASENP (DT the) (NNP Cabinet))))))))) (VP (VBZ does) (VP (VB exist)))) (PERIOD .))