Militias may operate in a region.Logical formLearned from6 sentences. Some (bus lines) may operate.Logical formLearned from6 sentences. Gunmen may operate above a law.Logical formLearned from6 sentences. Terrorists may operate in an area.Logical formLearned from6 sentences. Terrorists may operate under noses.Logical formLearned from6 sentences. Pipelines may operate at capacity.Logical formLearned from6 sentences. A country may be operated by a military-or-other-action-organization.Logical formLearned from6 sentences. A militiamen may operate in an area.Logical formLearned from6 sentences. Some pilots may operate helicopters.Logical formLearned from6 sentences. Some militias may operate in a region.Logical formLearned from6 sentences. Some (power utilities) may be operated by a family.Logical formLearned from6 sentences. Separatists may operate in an area.Logical formLearned from6 sentences. An airline may operate some (passenger jets).Logical formLearned from6 sentences. Oil may be operated by an (energy giant).Logical formLearned from6 sentences. A carrier may operate in a country.Logical formLearned from6 sentences.