(S (S (NP (BASENP (NNP Khaled) (NNP Abubakar)) (PRN (COMMA ,) (NP (BASENP (DT the) (NN imam)) (PP (IN of) (NP (BASENP (DT the) (NN city) (POS 's)) (BASENP (JJ central) (NN mosque))))) (COMMA ,))) (VP (VBD made) (NP (BASENP (DT an) (NN estimate)) (PP (IN of) (BASENP (DT the) (NN death) (NN toll)))))) (PERIOD .))