(Tourism services) may operate.Logical formLearned from6 sentences. Fighters may operate in an area.Logical formLearned from6 sentences. A (smuggling ring) may operate.Logical formLearned from6 sentences. A move may prohibit an office of a presidency from operatting.Logical formLearned from6 sentences. Airlines may operate passenger.Logical formLearned from6 sentences. Radical groups may operate.Logical formLearned from6 sentences. Muslim extremists may operate in a jungle.Logical formLearned from6 sentences. Special forces may operate in an area.Logical formLearned from6 sentences. A ship may operate in international waters.Logical formLearned from6 sentences. Planes may operate for some years.Logical formLearned from6 sentences. A gang may operate in a state.Logical formLearned from6 sentences. A force may operate in a region.Logical formLearned from6 sentences. A helicopter may operate from a destroyer.Logical formLearned from6 sentences. Casinos may operate as clubs.Logical formLearned from6 sentences. Islamic terrorists may operate in a country.Logical formLearned from6 sentences.