Terrorists may operate against a country.Logical formLearned from7 sentences. A helicopter may operate at an area.Logical formLearned from7 sentences. A person can be responsible for operatting a plane.Logical formLearned from7 sentences. An airline may operate a flight.Logical formLearned from7 sentences. Companies may operate in an island.Logical formLearned from7 sentences. Australian companies may operate.Logical formLearned from7 sentences. A male may operate dlrs.Logical formLearned from7 sentences. A (steel plant) may operate at some percent of capacity.Logical formLearned from7 sentences. (Death squads) may operate against separatists.Logical formLearned from7 sentences. A company may operate some nuclear-power plants.Logical formLearned from7 sentences. A national-agency of a US-city may operate in (exchange markets).Logical formLearned from7 sentences. A time may operate a (snack cart).Logical formLearned from7 sentences. Hundreds of (rescue workers) may operate at a pace.Logical formLearned from7 sentences. A male may operate a series of brothels.Logical formLearned from7 sentences. A company may operate an office.Logical formLearned from7 sentences.