A male may operate a school.Logical formLearned from10 sentences. A school may be operated.Logical formLearned from10 sentences. A guard may operate.Logical formLearned from10 sentences. A company may operate as a subsidiary of a company.Logical formLearned from10 sentences. A defunct railroad may operate in a state of a us-state.Logical formLearned from10 sentences. Some networks may operate.Logical formLearned from10 sentences. A mine may operate some days.Logical formLearned from10 sentences. An airline may be operated by a military-or-other-action-organization.Logical formLearned from10 sentences. A league may operate with some clubs.Logical formLearned from10 sentences. Missionaries may operate in a country.Logical formLearned from10 sentences. (Passenger services) may operate.Logical formLearned from10 sentences. A facility may be operated by a company.Logical formLearned from10 sentences. A historic railroad may operate in a us-state.Logical formLearned from10 sentences. A company may operate factories.Logical formLearned from10 sentences. An airport may be operated.Logical formLearned from10 sentences.