(S (S (PP (IN At) (BASENP (DT the) (JJ same) (NN time))) (COMMA ,) (S (BASENP (JJ recent) (NNS theories)) (VP (VBP suggest) (SBAR (S (BASENP (DT the) (NN mountain)) (VP (VBZ is) (VP (ADVP (RB also)) (VBG shrinking)))))))) (PERIOD .))