A (peace-keeping operation) may pertain-to an international-political-entity.Logical formLearned from28 sentences. An operation can be low-level.Logical formLearned from28 sentences. Military operations can be sustained.Logical formLearned from28 sentences. Operations may undergo progress.Logical formLearned from28 sentences. Commanders may pertain-to an operation.Logical formLearned from28 sentences. Elements may pertain-to an operation.Logical formLearned from28 sentences. Vessels may undergo an operation.Logical formLearned from28 sentences. Operations can be in 1990s.Logical formLearned from28 sentences. A month can be for operations.Logical formLearned from28 sentences. (Manufacturing operations) can be in a country.Logical formLearned from28 sentences. Functions may undergo an operation.Logical formLearned from28 sentences. A male may take_over operations.Logical formLearned from28 sentences. A female may support operations.Logical formLearned from28 sentences. A boat may undergo an operation.Logical formLearned from28 sentences. A division may undergo an operation.Logical formLearned from28 sentences.