A plane may operate.Logical formLearned from10 sentences. Workers may operate.Logical formLearned from10 sentences. A croatian army may operate in a country.Logical formLearned from10 sentences. An airlift may operate.Logical formLearned from10 sentences. A person may operate in rural areas.Logical formLearned from10 sentences. A (missile unit) may operate in an area.Logical formLearned from10 sentences. An airline may operate a service.Logical formLearned from10 sentences. A neurosurgeon may operate on a person.Logical formLearned from10 sentences. A surgeon may operate on a person.Logical formLearned from10 sentences. Ships may operate in a region.Logical formLearned from10 sentences. A government of a country may operate.Logical formLearned from10 sentences. A person may operate a flight.Logical formLearned from10 sentences. Some nuclear plants may operate at a time.Logical formLearned from10 sentences. Persons may operate throughout a country.Logical formLearned from10 sentences. Transplants may operate at costs.Logical formLearned from10 sentences.