A college may operate.Logical formLearned from12 sentences. A group may operate in some divisions.Logical formLearned from12 sentences. A group may operate through some branches.Logical formLearned from12 sentences. A group may operate some branches.Logical formLearned from12 sentences. (Passenger trains) may operate.Logical formLearned from12 sentences. Some employees may operate in some countries.Logical formLearned from12 sentences. A mine may operate a shift.Logical formLearned from12 sentences. A (stock market) may operate.Logical formLearned from12 sentences. A nation may operate.Logical formLearned from12 sentences. Refineries may operate at capacity.Logical formLearned from12 sentences. A crew of aliens may operate a spaceship.Logical formLearned from12 sentences. An agency may operate some locations.Logical formLearned from12 sentences. Forces may operate in province.Logical formLearned from12 sentences. A human mind may operate.Logical formLearned from12 sentences. A company may operate in an industry.Logical formLearned from12 sentences.