A model may show civilization.Logical formLearned from12 sentences. Civilizations may pertain-to a planet.Logical formLearned from12 sentences. A fabric of civilization may disappear.Logical formLearned from12 sentences. A whole of a civilization can be in peril.Logical formLearned from12 sentences. A country can be in a history of civilization.Logical formLearned from12 sentences. Touch can be with civilization.Logical formLearned from12 sentences. American civilization may undergo a breakdown.Logical formLearned from12 sentences. A civilization can be at risk.Logical formLearned from12 sentences. A civilization can be by a male.Logical formLearned from12 sentences. A war can be for civilization.Logical formLearned from12 sentences. Man may undergo a civilization.Logical formLearned from12 sentences. Civilizations may arise.Logical formLearned from12 sentences. A civilization may undergo a formation.Logical formLearned from12 sentences. A civilization can be prehistoric.Logical formLearned from12 sentences. Man can be in civilization.Logical formLearned from12 sentences.