A chair may operate.Logical formLearned from6 sentences. A person may operate a (nail salon).Logical formLearned from6 sentences. Rebels may operate in parts of a jungle.Logical formLearned from6 sentences. Rebels may operate in a country.Logical formLearned from6 sentences. A park may operate for some years.Logical formLearned from6 sentences. An airline may operate a fleet of some aircraft.Logical formLearned from6 sentences. Some militants may operate.Logical formLearned from6 sentences. An (oil firm) may operate in a country.Logical formLearned from6 sentences. A plane may be operated by a group.Logical formLearned from6 sentences. A (government-funded radio station) may operate.Logical formLearned from6 sentences. Problems may operate.Logical formLearned from6 sentences. Plants may operate at some percent of a capacity.Logical formLearned from6 sentences. A male may operate without a license.Logical formLearned from6 sentences. An (ambulance service) may operate on a staff.Logical formLearned from6 sentences. A thruster may operate.Logical formLearned from6 sentences.