(Peacekeeping operations) may pertain-to a country.Logical formLearned from64 sentences. Operation can be in a month.Logical formLearned from64 sentences. Operations can be high-speed.Logical formLearned from64 sentences. A picture may show operations.Logical formLearned from64 sentences. Results can be from operations.Logical formLearned from64 sentences. An operation can be comprehensive.Logical formLearned from64 sentences. Concepts can be constituted-of-or-filled-with operation.Logical formLearned from64 sentences. (Coal mining operations) can be underground.Logical formLearned from64 sentences. An operation can be unauthorized.Logical formLearned from64 sentences. An aftermath may pertain-to an operation.Logical formLearned from64 sentences. Knowledge may pertain-to operations.Logical formLearned from64 sentences. Operations can be at ports.Logical formLearned from64 sentences. Operation can be in a continent.Logical formLearned from64 sentences. Operations may pertain-to a scientist.Logical formLearned from64 sentences. Military operations may undergo a cessation.Logical formLearned from64 sentences.