An operator may pertain-to a government-agency.Logical formLearned from19 sentences. A permit may pertain-to an operator.Logical formLearned from19 sentences. A result may pertain-to an operator.Logical formLearned from19 sentences. A portal may pertain-to an operator.Logical formLearned from19 sentences. An operator can be in a world-city.Logical formLearned from19 sentences. Operators may undergo a use.Logical formLearned from19 sentences. (Pipeline operators) can be liquid.Logical formLearned from19 sentences. A head may pertain-to an operator.Logical formLearned from19 sentences. Operators can be constituted-of-or-filled-with machines.Logical formLearned from19 sentences. Operators can be in a field.Logical formLearned from19 sentences. An operator can be authorized.Logical formLearned from19 sentences. A face may pertain-to an operator.Logical formLearned from19 sentences. Operators may be involved.Logical formLearned from19 sentences. An operator may pertain-to a well.Logical formLearned from19 sentences. Operators can be constituted-of-or-filled-with 737s.Logical formLearned from19 sentences.