An operator may start.Logical formLearned from21 sentences. An operator may pertain-to an establishment.Logical formLearned from21 sentences. An operator may be defined.Logical formLearned from21 sentences. An operator may pertain-to facilities.Logical formLearned from21 sentences. Operators can be sophisticated.Logical formLearned from21 sentences. Operators may find that something-is-the-case.Logical formLearned from21 sentences. An operator can be full-time.Logical formLearned from21 sentences. An operator may think.Logical formLearned from21 sentences. An (exchange operator) may pertain-to a world-city.Logical formLearned from21 sentences. (Casino operators) can be old-time.Logical formLearned from21 sentences. Operators may cut spending.Logical formLearned from21 sentences. Shares can be in an operator.Logical formLearned from21 sentences. A (telecommunications operator) may pertain-to a continent.Logical formLearned from21 sentences. A port operator can be in a country.Logical formLearned from21 sentences. An operator may pertain-to a park.Logical formLearned from21 sentences.