Some operators can be in a country.Logical formLearned from15 sentences. A (power grid operator) may pertain-to a country.Logical formLearned from15 sentences. Operators may take part.Logical formLearned from15 sentences. An operator may have control.Logical formLearned from15 sentences. A (rail operator) can be in a country.Logical formLearned from15 sentences. Operators may have difficulty.Logical formLearned from15 sentences. (Processing machine operators) can be photographic.Logical formLearned from15 sentences. A discretion may pertain-to an operator.Logical formLearned from15 sentences. Operators may undergo a licensing.Logical formLearned from15 sentences. Operators can be constituted-of-or-filled-with (motor vehicles).Logical formLearned from15 sentences. (Comparison operators) can be available to a person.Logical formLearned from15 sentences. Operators can be in a market.Logical formLearned from15 sentences. An operator can be legitimate.Logical formLearned from15 sentences. An operator may be evaluated.Logical formLearned from15 sentences. A request may pertain-to an operator.Logical formLearned from15 sentences.