A refinery may be operated by a company.Logical formLearned from5 sentences. A role can be in operatting.Logical formLearned from5 sentences. A person may operate a plant.Logical formLearned from5 sentences. A company may operate a (tramway service).Logical formLearned from5 sentences. (Bus services) may be operated by a company.Logical formLearned from5 sentences. A military-or-other-action-organization may operate in a region.Logical formLearned from5 sentences. Services may be operated by buses.Logical formLearned from5 sentences. Twitter may operate.Logical formLearned from5 sentences. (Leg restraints) may operate.Logical formLearned from5 sentences. A country may operate some facilities.Logical formLearned from5 sentences. Services may operate at some intervals.Logical formLearned from5 sentences. Some persons may be operated.Logical formLearned from5 sentences. An aircraft may operate a service.Logical formLearned from5 sentences. A territory may operate on a (consensus government system).Logical formLearned from5 sentences. A line may be operated by a trolley.Logical formLearned from5 sentences.