(QTR (QTC (S (BASENP (DT This) (JJ maternal) (NN lineage)) (VP (VP (VBZ is) (ADVP (RB now))) (ADJP (JJ present) (PP (IN in) (BASENP (DT all) (JJ modern) (JJ polar) (NNS bears)))))) (PERIOD .)) (DQR ''))