(S (S (NP (BASENP (DT The) (NN canton)) (PP (IN in) (NP (BASENP (DT the) (NN north) (NN east)) (PP (IN of) (BASENP (NNP Switzerland)))))) (VP (VBZ has) (S (BASENP (DT an) (NN area)) (VP (VBZ is) (BASENP (NN 173) (NN km) (NN ²)))))) (PERIOD .))