(S (S (BASENP (NN TrES-4)) (VP (ADVP (RB also)) (VP (VBZ has) (NP (NP (BASENP (DT a) (JJR lower) (NN mass)) (PP (IN than) (BASENP (NNP Jupiter)))) (CC and) (NP (NP (BASENP (DT an) (ADJP (RB extremely) (JJ low)) (NN density)) (PP (IN of) (NP (BASENP (NN 0.2) (NNS grams)) (PP (IN per) (BASENP (JJ cubic) (NNS centimetre)))))) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (ADJP (ADJP (JJR less)) (PP (IN than) (BASENP (DT a) (NN wine) (NN cork)))))))))))) (PERIOD .))