Aircraft may patroll a no-fly zone.Logical formLearned from43 sentences. An industrial zone can be in a country.Logical formLearned from42 sentences. Zones can be isolated.Logical formLearned from42 sentences. A zone can be (trading partner).Logical formLearned from42 sentences. A population can be for a zone.Logical formLearned from42 sentences. A zone may pertain-to a company.Logical formLearned from42 sentences. A zone can be thin.Logical formLearned from42 sentences. A width may pertain-to a zone.Logical formLearned from42 sentences. Some percent can be for a zone.Logical formLearned from42 sentences. An (end zone) may pertain-to an opponent.Logical formLearned from42 sentences. (Comfort zone) may refer to areas.Logical formLearned from42 sentences. A zone can be southeastern.Logical formLearned from42 sentences. A zone can be in the north.Logical formLearned from42 sentences. (Export processing zones) may pertain-to a country.Logical formLearned from42 sentences. Zones can be permeable.Logical formLearned from42 sentences.