A (supermarket chain operator) may pertain-to a country.Logical formLearned from33 sentences. (Laboratory operators) can be clandestine.Logical formLearned from33 sentences. Operators may pertain-to a system.Logical formLearned from33 sentences. A (cellphone operator) may pertain-to a country.Logical formLearned from33 sentences. An operator may pertain-to a line.Logical formLearned from33 sentences. A liability may pertain-to an operator.Logical formLearned from33 sentences. An operator can be prudent.Logical formLearned from33 sentences. A (stock exchange operator) may pertain-to a world-city.Logical formLearned from33 sentences. An operator can be skillful.Logical formLearned from33 sentences. A (telecommunication operator) may pertain-to a country.Logical formLearned from32 sentences. A male can be (camera operator).Logical formLearned from32 sentences. An operator can be given.Logical formLearned from32 sentences. A (distribution network operator) can be for electricity.Logical formLearned from32 sentences. An operator can be automated.Logical formLearned from32 sentences. An operator may report a problem.Logical formLearned from32 sentences.