(S (S (NP (BASENP (NNS Friends)) (PP (IN of) (BASENP (DT the) (NNP Earth)))) (VP (VBD was) (VP (ADVP (RB cautiously)) (VP (VBN cheered) (PP (IN by) (NP (NP (NP (BASENP (DT the) (NN committee) (POS 's)) (NN commitment)) (PP (TO to) (BASENP (NN energy) (NN efficiency)))) (CONJP (COMMA ,) (CC and)) (NP (BASENP (NN support)) (PP (IN of) (BASENP (VBN reduced) (NNS emissions)))))))))) (PERIOD .))