A site may be operated by a revenue-service.Logical formLearned from7 sentences. A last flight may operate.Logical formLearned from7 sentences. A landfill may operate.Logical formLearned from7 sentences. A person may operate a camera.Logical formLearned from7 sentences. (Team sports) may operate without referees.Logical formLearned from7 sentences. A fallacy may operate in statements.Logical formLearned from7 sentences. (Sharia courts) may operate in a country.Logical formLearned from7 sentences. Competition may operate.Logical formLearned from7 sentences. Program may operate.Logical formLearned from7 sentences. Oscillation may operate from hospital.Logical formLearned from7 sentences. Agencies may operate under orders.Logical formLearned from7 sentences. A company may operate a network of (manufacturing facilities).Logical formLearned from7 sentences. Customers may operate through (banking services).Logical formLearned from7 sentences. A company may operate some properties.Logical formLearned from7 sentences. Windows may operate (system performance).Logical formLearned from7 sentences.