An operator may read messages to a recipient.Logical formLearned from13 sentences. Operators may stand.Logical formLearned from13 sentences. An (elevator operator) may pertain-to a building.Logical formLearned from13 sentences. A (chain operator) may pertain-to a country.Logical formLearned from13 sentences. A (theme park operator) may pertain-to a continent.Logical formLearned from13 sentences. An operator can be constituted-of-or-filled-with (power plants).Logical formLearned from13 sentences. An operator may pertain-to a chain.Logical formLearned from13 sentences. An operator can be someone.Logical formLearned from13 sentences. A version may pertain-to an operator.Logical formLearned from13 sentences. A burden can be on an operator.Logical formLearned from13 sentences. An operator may show that something-is-the-case.Logical formLearned from13 sentences. An operator can be in compliance.Logical formLearned from13 sentences. Operators can be underground.Logical formLearned from13 sentences. Operators may undergo a failure.Logical formLearned from13 sentences. A company can be (cable operator).Logical formLearned from13 sentences.