Tribes may operate (child support programs).Logical formLearned from7 sentences. (Specialty hospitals) may operate.Logical formLearned from7 sentences. Multinationals may operate in a country.Logical formLearned from7 sentences. (Capital markets) may operate.Logical formLearned from7 sentences. Boats may be operated.Logical formLearned from7 sentences. A refinery may operate.Logical formLearned from7 sentences. A business may operate at a loss.Logical formLearned from7 sentences. Machinery may operate.Logical formLearned from7 sentences. Buildings may be operated.Logical formLearned from7 sentences. A company may operate a system.Logical formLearned from7 sentences. Some states may operate plans.Logical formLearned from7 sentences. A flight may operate between a world-city.Logical formLearned from7 sentences. A male may operate in a context.Logical formLearned from7 sentences. A central bank may operate.Logical formLearned from7 sentences. A group may operate in a domestic market.Logical formLearned from7 sentences.