(S (S (S (NP (EX There)) (VP (VBD were) (NP (BASENP (JJ mixed) (NNS reports)) (PP (IN of) (NP (BASENP (NNS casualties)) (PP (IN from) (BASENP (DT the) (NN air) (NN strike)))))))) (COMMA ,) (SBAR (IN although) (S (BASENP (NN one) (NN source)) (VP (VBD said) (SBAR (S (NP (BASENP (DT a) (NN member)) (PP (IN of) (BASENP (NNP Islamic) (NNP Jihad)))) (VP (VBD had) (VP (VBN been) (VP (VBN killed) (PP (IN in) (BASENP (DT the) (NN air) (NNS strikes)))))))))))) (PERIOD .))