Dilemmas can be threatening.Logical formLearned from3 sentences. Colleges can be threatening.Logical formLearned from3 sentences. Hints can be threatening.Logical formLearned from3 sentences. A wag can be threatening.Logical formLearned from3 sentences. A revolt can be threatening.Logical formLearned from3 sentences. (Night letters) can be threatening.Logical formLearned from3 sentences. Epidemics can be threatening.Logical formLearned from3 sentences. A technology can be threatening.Logical formLearned from3 sentences. A series can be constituted-of-or-filled-with threatening communications.Logical formLearned from3 sentences. (Prosecution efforts) can be threatening.Logical formLearned from3 sentences. Presence of a statement may sound threatening.Logical formLearned from3 sentences. Causes can be threatening.Logical formLearned from3 sentences. An economic growth can be threatening.Logical formLearned from3 sentences. Armies can be threatening.Logical formLearned from3 sentences. An interaction can be threatening.Logical formLearned from3 sentences.