(S (S (S (BASENP (NNS Passengers)) (VP (VBD were) (VP (VBN interviewed) (PP (IN by) (BASENP (NNP FBI) (NNS agents)))))) (CONJP (COMMA ,) (CC and)) (S (BASENP (NNS dogs)) (VP (VBD searched) (NP (BASENP (PDT all) (DT the) (NN luggage)) (PP (IN on) (BASENP (NN board))))))) (PERIOD .))