A threat can be by terrorists.Logical formLearned from15 sentences. Terrorists may slam planes.Logical formLearned from15 sentences. A response can be to terrorists.Logical formLearned from15 sentences. Threats can be constituted-of-or-filled-with terrorists.Logical formLearned from15 sentences. Terrorists may undergo determination.Logical formLearned from15 sentences. A terrorist can be criminal.Logical formLearned from15 sentences. Terrorists may kill some persons.Logical formLearned from15 sentences. Resources may pertain-to terrorists.Logical formLearned from15 sentences. Security can be in a wake of (terrorist attacks).Logical formLearned from15 sentences. Terrorists can be a sign.Logical formLearned from15 sentences. A struggle can be with terrorists.Logical formLearned from15 sentences. A terrorist can be in eyes.Logical formLearned from15 sentences. A terrorist may pertain-to a continental-region.Logical formLearned from14 sentences. Steps can be against terrorists.Logical formLearned from14 sentences. Fear may pertain-to terrorists.Logical formLearned from14 sentences.