Stages may pertain-to a (hemisphere winter).Logical formLearned from7 sentences. A (winter storm) may pack snow.Logical formLearned from7 sentences. Flights can be due to (winter storms).Logical formLearned from7 sentences. (Winter weather) may curb demand.Logical formLearned from7 sentences. A cold front can be a cold of a (winter season).Logical formLearned from7 sentences. Migratory birds may head for a winter.Logical formLearned from7 sentences. Winter may close_in on a region.Logical formLearned from7 sentences. Persons may approach a winter.Logical formLearned from7 sentences. A (winter season) may pertain-to a northern hemisphere.Logical formLearned from7 sentences. (Winter storms) can be in years.Logical formLearned from7 sentences. Fears can be over a (winter supply shortage).Logical formLearned from7 sentences. Demand may be driven by a (winter season).Logical formLearned from7 sentences. Bookings can be for a winter.Logical formLearned from7 sentences. Unemployment may increase during (winter months).Logical formLearned from7 sentences. A (winter storm) may be swathed.Logical formLearned from7 sentences.