Others may operate in a country.Logical formLearned from10 sentences. Ships may operate between ports.Logical formLearned from10 sentences. Some casinos may operate in a country.Logical formLearned from10 sentences. Foreign oil may operate in a country.Logical formLearned from10 sentences. Foreign oil may operate in a country.Logical formLearned from10 sentences. Some foreign banks may operate in a country.Logical formLearned from10 sentences. A group may operate on a border.Logical formLearned from10 sentences. A country may operate a plant.Logical formLearned from10 sentences. Militant groups may operate in a country.Logical formLearned from10 sentences. A doctor may operate on a male.Logical formLearned from10 sentences. Airline may operate (charter flights).Logical formLearned from10 sentences. A (historical society) may operate a museum.Logical formLearned from10 sentences. A company may operate in a market.Logical formLearned from10 sentences. A company may operate some vessels.Logical formLearned from10 sentences. Trains may operate on a line.Logical formLearned from10 sentences.