(Oil companies) may operate.Logical formLearned from16 sentences. Guerrillas may operate in an area.Logical formLearned from16 sentences. A carrier may operate a flight.Logical formLearned from16 sentences. A ship may be operated in traffic.Logical formLearned from16 sentences. States may operate programs.Logical formLearned from16 sentences. (Fuel cells) may operate.Logical formLearned from16 sentences. A person may operate on a premise.Logical formLearned from16 sentences. The global economy may operate.Logical formLearned from16 sentences. A person may operate in the world.Logical formLearned from16 sentences. A division may operate some (creation units).Logical formLearned from16 sentences. A national-agency may operate in interests of a taxpayer.Logical formLearned from16 sentences. A person may operate in mode.Logical formLearned from16 sentences. A political-leader may operate a budget.Logical formLearned from16 sentences. A cnp may operate.Logical formLearned from16 sentences. Group may operate a route.Logical formLearned from16 sentences.