(S (S (BASENP (DT The) (NN two) (JJ working) (NNS groups)) (VP (VBP are) (NP (NP (BASENP (DT the) (NNP Ad) (NNP Hoc) (NNP Working) (NNP Group)) (PP (IN on) (BASENP (NNP Long-Term) (NNP Cooperative) (NNP Action)))) (CC and) (NP (BASENP (DT the) (NNP Ad) (NNP Hoc) (NNP Working) (NNP Group)) (PP (IN on) (NP (BASENP (NNP Further) (NNPS Commitments)) (PP (IN for) (BASENP (NNP Annex))))))))) (PERIOD .))