Factors can be threatening.Logical formLearned from16 sentences. A security can be threatening.Logical formLearned from16 sentences. A life can be threatening.Logical formLearned from16 sentences. Targets can be threatening.Logical formLearned from16 sentences. Peace can be threatening.Logical formLearned from16 sentences. Steps can be threatening.Logical formLearned from16 sentences. Persons can be threatening.Logical formLearned from16 sentences. Infections can be threatening.Logical formLearned from15 sentences. A light can be threatening.Logical formLearned from15 sentences. A stimulus can be threatening.Logical formLearned from15 sentences. A (telephone message) can be threatening.Logical formLearned from15 sentences. An extension can be threatening.Logical formLearned from15 sentences. Dogs can be threatening.Logical formLearned from15 sentences. A graffiti can be threatening.Logical formLearned from15 sentences. A development can be threatening.Logical formLearned from15 sentences.