News may pertain-to an operation.Logical formLearned from61 sentences. A security may pertain-to operations.Logical formLearned from61 sentences. A chief may pertain-to operations.Logical formLearned from61 sentences. A policy may undergo an operation.Logical formLearned from61 sentences. A military operation can be against militants.Logical formLearned from61 sentences. An operation can be wide.Logical formLearned from61 sentences. An operation can be at a hospital.Logical formLearned from61 sentences. An operation may pertain-to year.Logical formLearned from61 sentences. An operation may pertain-to an airline.Logical formLearned from61 sentences. A hub may pertain-to operations.Logical formLearned from61 sentences. Units may undergo an operation.Logical formLearned from60 sentences. Agencies may undergo operations.Logical formLearned from60 sentences. Some decades can be constituted-of-or-filled-with operation.Logical formLearned from60 sentences. A company may start operations.Logical formLearned from60 sentences. An operation may undergo a use.Logical formLearned from60 sentences.