Militias may operate in a country.Logical formLearned from9 sentences. A male may operate in a vacuum.Logical formLearned from9 sentences. Companies may operate an (oil field).Logical formLearned from9 sentences. A helicopter may be operated by a company.Logical formLearned from9 sentences. A carrier may operate under (bankruptcy protection).Logical formLearned from9 sentences. A board may operate by consensus.Logical formLearned from9 sentences. A male may operate from a home.Logical formLearned from9 sentences. Units may be operated.Logical formLearned from9 sentences. Drivers may operate in a hurry.Logical formLearned from9 sentences. (Ground forces) may operate.Logical formLearned from9 sentences. Persons may operate under an assumption.Logical formLearned from9 sentences. A family may operate a restaurant.Logical formLearned from9 sentences. A company may operate a monopoly.Logical formLearned from9 sentences. Businesses may operate in industries.Logical formLearned from9 sentences. (Engineering programs) may encompass a facet of operatting a plant.Logical formLearned from9 sentences.