A force may operate in an area.Logical formLearned from12 sentences. An airline may operate some flights to a world-city.Logical formLearned from12 sentences. A company may operate some casinos.Logical formLearned from12 sentences. Palestinian militant groups may operate on territory.Logical formLearned from12 sentences. Bands of rebels may operate under cover.Logical formLearned from12 sentences. Swells may keep ferries from operatting.Logical formLearned from12 sentences. A male may operate a website.Logical formLearned from12 sentences. A train may be operated by a company.Logical formLearned from12 sentences. Militants may operate from soil.Logical formLearned from12 sentences. A model may be operated by a (charter company).Logical formLearned from12 sentences. Companies may operate as joint ventures.Logical formLearned from12 sentences. (Trading networks) may be operated by (service providers).Logical formLearned from12 sentences. Stores may operate under a name.Logical formLearned from12 sentences. A (prostitution ring) may operate.Logical formLearned from12 sentences. (Power plants) may operate at maximum capacity.Logical formLearned from12 sentences.