(S (S (NP (NP (QP (ADVP (RBR More) (IN than)) (NN half))) (PP (IN of) (NP (BASENP (NNP Ugandan) (NNP President) (NNP Yoweri) (NNP Museveni) (POS 's)) (NN convoy)))) (VP (VBD was) (VP (VBN prevented) (PP (IN from) (S (VP (VP (VBG entering) (BASENP (NNP Rwanda))) (PP (IN on) (BASENP (NNP Thursday))))))))) (PERIOD .))