(Refining operations) may pertain-to a company.Logical formLearned from18 sentences. Operations can be industrialized.Logical formLearned from18 sentences. A male may halt operations.Logical formLearned from18 sentences. Operation may undergo a resumption.Logical formLearned from18 sentences. Some persons may be arrested in an operation.Logical formLearned from18 sentences. A male may know about an operation.Logical formLearned from18 sentences. A country may halt operations.Logical formLearned from18 sentences. An operation may be uncovered.Logical formLearned from18 sentences. A plant may be puted into operation.Logical formLearned from18 sentences. An operation can be in response.Logical formLearned from18 sentences. Operations can be in (rail transport).Logical formLearned from18 sentences. A mandate can be for an operation.Logical formLearned from18 sentences. (Espionage operations) can be in a country.Logical formLearned from18 sentences. Military operations can be criminal.Logical formLearned from18 sentences. An operation can be protracted.Logical formLearned from18 sentences.