Refineries may operate at some (percent capacity).Logical formLearned from7 sentences. A person may operate from a premise.Logical formLearned from7 sentences. Soldiers may operate in an environment.Logical formLearned from7 sentences. Crews may operate valves.Logical formLearned from7 sentences. A (car bomb network) may operate in an area of a world-city.Logical formLearned from7 sentences. (Intelligence activities) may be operated within a framework.Logical formLearned from7 sentences. Terrorists may operate in a territory.Logical formLearned from7 sentences. An enemy may operate in groups.Logical formLearned from7 sentences. (Oil fields) may be operated by (oil companies).Logical formLearned from7 sentences. Naval forces may operate off a country.Logical formLearned from7 sentences. A company may operate a brand.Logical formLearned from7 sentences. Hospitals may operate with (emergency staff).Logical formLearned from7 sentences. A company may operate a (job-search web site).Logical formLearned from7 sentences. A (peacekeeping force) may operate in a capital.Logical formLearned from7 sentences. A militant group may operate in a country.Logical formLearned from7 sentences.