A threat can be serious.Logical formLearned from497 sentences. Threats can be known.Logical formLearned from493 sentences. A threat can be to a nation.Logical formLearned from491 sentences. Threats can be dangerous.Logical formLearned from484 sentences. A series can be constituted-of-or-filled-with threats.Logical formLearned from484 sentences. Threats can be to peace.Logical formLearned from480 sentences. A threat can be to survival.Logical formLearned from475 sentences. Threats may pertain-to a female.Logical formLearned from474 sentences. Threats may pertain-to an international-political-entity.Logical formLearned from473 sentences. A threat can be to health.Logical formLearned from468 sentences. A threat may pertain-to an international-political-entity.Logical formLearned from465 sentences. A threat can be in a country.Logical formLearned from463 sentences. A threat can be dire.Logical formLearned from456 sentences. Threats can be renewed.Logical formLearned from455 sentences. A threat can be to stability.Logical formLearned from453 sentences.