Some ships may operate under power.Logical formLearned from13 sentences. A bank may operate at a profit.Logical formLearned from13 sentences. An airline may operate a flight.Logical formLearned from13 sentences. A company may operate some mines.Logical formLearned from13 sentences. A doctor may operate on a US-president.Logical formLearned from13 sentences. Civilians may operate.Logical formLearned from13 sentences. Companies may operate in a market.Logical formLearned from13 sentences. Some individuals may operate.Logical formLearned from13 sentences. A cell may operate in a country.Logical formLearned from13 sentences. A new company may operate under a name.Logical formLearned from13 sentences. Some commercial banks may operate in a country.Logical formLearned from13 sentences. Persons may operate a company.Logical formLearned from13 sentences. A company may operate a (rail tunnel).Logical formLearned from13 sentences. Troops may operate in an area.Logical formLearned from13 sentences. Commandos may operate.Logical formLearned from13 sentences.