(QT (DQL ``) (QTC (S (BASENP (PRP It)) (VP (VBZ seems) (ADJP (JJR more) (PP (IN of) (NP (BASENP (DT a) (NN case)) (PP (IN of) (NP (BASENP (NN gas) (CC or) (NN smoke)) (NN inhalation)))))))) (PERIOD .)) (DQR ''))