(S (S (NP (BASENP (NNS Students) (NNS unions)) (PP (IN from) (NP (BASENP (DT all) (NNS parts)) (PP (IN of) (BASENP (NNP Hesse)))))) (VP (VBD called) (PP (IN for) (NP (BASENP (DT the) (JJ joint) (NN demonstration)) (PP (IN in) (BASENP (NNP Gießen))))))) (PERIOD .))