(S (S (BASENP (NN Yesterday)) (S (PP (IN in) (BASENP (NNP Cairo))) (COMMA ,) (S (NP (BASENP (NNS protestors)) (VP (VBG supporting) (NP (BASENP (NNP Mohamed) (NNP Morsi)) (CC and) (BASENP (DT the) (NNP Muslim) (NNP Brotherhood))))) (VP (VBD were) (VP (VBN shot) (PP (IN outside) (NP (BASENP (DT the) (NNP Presidential) (NNP Guard) (NNS barracks)) (COMMA ,) (SBAR (WHADVP (WRB where)) (S (BASENP (JJ pro-Morsi) (NNS supporters)) (VP (VBP believe) (SBAR (S (BASENP (DT the) (JJ former) (NN president)) (VP (VBZ is) (VP (VBG being) (VP (VBN kept) (PP (IN under) (BASENP (NN arrest)))))))))))))))))) (PERIOD .))