A person may operate a forklift.Logical formLearned from7 sentences. A spacecraft may operate on power.Logical formLearned from7 sentences. Stations may be operated.Logical formLearned from7 sentences. Some carriers may operate some (charter flights).Logical formLearned from7 sentences. A side may operate some flights.Logical formLearned from7 sentences. A person may operate in a world-city.Logical formLearned from7 sentences. Fisherman may operate in an area.Logical formLearned from7 sentences. A service may operate on a basis.Logical formLearned from7 sentences. Patients may be operated.Logical formLearned from7 sentences. A person may operate in a dark.Logical formLearned from7 sentences. Technologies may operate.Logical formLearned from7 sentences. Persons may operate machinery.Logical formLearned from7 sentences. A detector may operate.Logical formLearned from7 sentences. A railway may be operated by a company.Logical formLearned from7 sentences. A driver may operate a vehicle.Logical formLearned from7 sentences.