Israeli forces may operate in an area.Logical formLearned from9 sentences. Islamic militants may operate in some nations.Logical formLearned from9 sentences. (Internet file-sharers) may operate.Logical formLearned from9 sentences. Difficulty may operate.Logical formLearned from9 sentences. Ministries may operate under auspices.Logical formLearned from9 sentences. Troops may operate in units.Logical formLearned from9 sentences. An (attack helicopter) may operate.Logical formLearned from9 sentences. (Death squads) may operate in a country.Logical formLearned from9 sentences. Agents may operate in areas.Logical formLearned from9 sentences. A person may operate a (terrorism network).Logical formLearned from9 sentences. A clinic may be operated by a doctor.Logical formLearned from9 sentences. Guerrillas may operate from a country.Logical formLearned from9 sentences. A retailer may operate stores.Logical formLearned from9 sentences. Rebels may operate in an area.Logical formLearned from9 sentences. Some sides may operate under an assumption.Logical formLearned from9 sentences.