Persons may operate in a continent.Logical formLearned from6 sentences. (Law enforcement agencies) may operate in accordance.Logical formLearned from6 sentences. Some sris may operate in parallel.Logical formLearned from6 sentences. Appliances may operate.Logical formLearned from6 sentences. A male may operate in an area.Logical formLearned from6 sentences. A program may operate in secret.Logical formLearned from6 sentences. Governments of a kind may operate in a manner.Logical formLearned from6 sentences. Costs may be associated with operatting.Logical formLearned from6 sentences. The natural world may operate through an interaction of numbers of autonomous agents.Logical formLearned from6 sentences. Some units may be operated.Logical formLearned from6 sentences. A tanker may be operated by (shipping company).Logical formLearned from6 sentences. Oil may operate in conditions.Logical formLearned from6 sentences. A (feeding frenzy) may operate to a prejudice.Logical formLearned from6 sentences. A person may operate a black market.Logical formLearned from6 sentences. Some commands may operate on a text.Logical formLearned from6 sentences.