Pumps may operate.Logical formLearned from12 sentences. Traffic may operate.Logical formLearned from12 sentences. Tribunals may operate under rules.Logical formLearned from12 sentences. A system may operate on a basis.Logical formLearned from12 sentences. (Security companies) may operate in a country.Logical formLearned from12 sentences. Some satellites may operate.Logical formLearned from12 sentences. A secret organization may operate within a government.Logical formLearned from12 sentences. Business may be operated.Logical formLearned from12 sentences. (Aid agencies) may operate in a region.Logical formLearned from12 sentences. Groups may operate in territory.Logical formLearned from12 sentences. A company may operate under a brand.Logical formLearned from12 sentences. Rebels may operate from a country.Logical formLearned from12 sentences. A plane may be operated by airlines.Logical formLearned from12 sentences. Israeli soldiers may operate in an area.Logical formLearned from12 sentences. Mercenaries may operate on some sides.Logical formLearned from12 sentences.