(S (S (NP (NP (NP (BASENP (NNP Palestinian) (NNP President) (NNP Mahmoud) (NNP Abbas)) (PP (IN of) (BASENP (NNP Fatah)))) (COMMA ,) (BASENP (NNP Prime) (NNP Minister) (NNP Ismail) (NNP Haniyeh))) (CC and) (NP (BASENP (JJ Damascus-based) (NN chief) (NNP Khaled) (NNP Meshaal)) (PP (IN ofHamas)))) (VP (VP (VBD arrived) (PP (IN in) (NP (BASENP (NNP Mecca)) (COMMA ,) (BASENP (NNP Saudi) (NNP Arabia))))) (PP (IN for) (NP (BASENP (NNS negotiations)) (PP (IN in) (NP (BASENP (DT an) (NN attempt)) (S (VP (TO to) (VP (VB end) (NP (NP (BASENP (DT the) (NN fighting)) (PP (IN between) (BASENP (NNP Hamas) (CC and) (NNP Fatah)))) (PP (IN in) (BASENP (DT the) (NNP Gaza) (NN strip))))))))))))) (PERIOD .))