(S (S (S (BASENP (JJR Earlier) (NNS reports)) (VP (VBD had) (VP (VBN stated) (SBAR (S (NP (EX there)) (VP (VBD were) (NP (BASENP (NNS explosives)) (PP (IN on) (PP (IN board) (BASENP (DT the) (NN aircraft))))))))))) (CONJP (COMMA ,) (CC but)) (S (BASENP (NN none)) (VP (VBD were) (VP (VBN found))))) (PERIOD .))