A person may be designated by an operator.Logical formLearned from34 sentences. Some operator can be on a line.Logical formLearned from34 sentences. An (operator logo) may make.Logical formLearned from34 sentences. An operator may pertain-to a pipeline.Logical formLearned from34 sentences. A voice may pertain-to an operator.Logical formLearned from34 sentences. An operator may pertain-to a project.Logical formLearned from34 sentences. A person may use an operator.Logical formLearned from34 sentences. Networks may pertain-to operators.Logical formLearned from34 sentences. Operators may use caution.Logical formLearned from34 sentences. An operator may be measured by capitalization.Logical formLearned from33 sentences. Selling can be by operators.Logical formLearned from33 sentences. An operator can be constituted-of-or-filled-with hospitals.Logical formLearned from33 sentences. Operators may pertain-to a plant.Logical formLearned from33 sentences. An operator can be integrated.Logical formLearned from33 sentences. (Tour operators) can be in a country.Logical formLearned from33 sentences.