Companies may operate within a country.Logical formLearned from10 sentences. Rsa.com may be operated by (internet security company).Logical formLearned from10 sentences. A president may operate on instructions.Logical formLearned from10 sentences. A US-president may operate under a deadline.Logical formLearned from10 sentences. A plane may be operated by a subsidiary.Logical formLearned from10 sentences. Divers may operate.Logical formLearned from10 sentences. Monitors may operate.Logical formLearned from10 sentences. Airlines may operate in a region.Logical formLearned from10 sentences. Kidnappers may operate with impunity.Logical formLearned from10 sentences. Former soviet republics may operate planes.Logical formLearned from10 sentences. Some aircrafts may operate from an (aircraft carrier).Logical formLearned from10 sentences. Extremists may operate in the past.Logical formLearned from10 sentences. A person may operate a string of (theme restaurants).Logical formLearned from10 sentences. Some spies may operate in a country.Logical formLearned from10 sentences. An airline may operate some aircrafts.Logical formLearned from10 sentences.