(S (S (BASENP (DT The) (NNS results)) (VP (VBP show) (SBAR (IN that) (S (NP (NP (NP (NP (NP (BASENP (NN carbon) (NN dioxide)) (COMMA ,) (BASENP (NN acetylene))) (COMMA ,) (BASENP (NN methane))) (COMMA ,) (BASENP (NN propane))) (CC and) (BASENP (NN nitrogen))) (PRN (COMMA ,) (NP (BASENP (DT the) (JJ basic) (NN building) (NNS blocks)) (PP (IN for) (BASENP (NN life)))) (COMMA ,))) (VP (VP (VBP are) (BASENP (DT all))) (ADJP (JJ present) (PP (IN within) (BASENP (DT the) (NN moon))))))))) (PERIOD .))