(S (S (BASENP (DT The) (NN workshop)) (VP (VP (VBD opened) (PP (IN on) (BASENP (NNP August) (NN 22)))) (CC and) (VP (MD will) (VP (VB remain) (PP (IN until) (BASENP (NNP September) (NN 10))))))) (PERIOD .))