An operator may begin.Logical formLearned from27 sentences. An operator can be longtime.Logical formLearned from27 sentences. An operator may pertain-to a language.Logical formLearned from27 sentences. A (tour operator) may pertain-to a language.Logical formLearned from27 sentences. A (production operator) can be in (oil fields).Logical formLearned from27 sentences. Operators may say that something-is-the-case.Logical formLearned from27 sentences. Operators can be advanced.Logical formLearned from27 sentences. An operator may pertain-to a vessel.Logical formLearned from27 sentences. An (airport operator) may pertain-to a world-city.Logical formLearned from27 sentences. Operators can be sharp.Logical formLearned from27 sentences. Dozens can be constituted-of-or-filled-with operators.Logical formLearned from27 sentences. Operators can be would-be.Logical formLearned from27 sentences. (Telephony operators) can be mobile.Logical formLearned from27 sentences. A hand may pertain-to an operator.Logical formLearned from27 sentences. Operators can be in a region.Logical formLearned from27 sentences.