Doctors may perform operations.Logical formLearned from18 sentences. A (space station) may undergo an operation.Logical formLearned from18 sentences. A possession can be an operation.Logical formLearned from18 sentences. Operations may be changed.Logical formLearned from18 sentences. A single market may undergo an operation.Logical formLearned from18 sentences. A company may commence operations.Logical formLearned from18 sentences. A joint venture may go into operation.Logical formLearned from18 sentences. Control may pertain-to a (peacekeeping operation).Logical formLearned from18 sentences. Operations can be standardized.Logical formLearned from18 sentences. Operations can be corrective.Logical formLearned from18 sentences. Disruption can be to operations.Logical formLearned from18 sentences. The internet may undergo an operation.Logical formLearned from18 sentences. A basis can be for operations.Logical formLearned from18 sentences. A mill may cease operation.Logical formLearned from18 sentences. Service can be in operation.Logical formLearned from18 sentences.