(Winter quarter) may pertain-to a year.Logical formLearned from7 sentences. A (winter skin) can be dry.Logical formLearned from7 sentences. (Winter birds) may pertain-to persons.Logical formLearned from7 sentences. A winter can be haggard.Logical formLearned from7 sentences. (Winter skies) can be clear.Logical formLearned from7 sentences. A world-city may have winters.Logical formLearned from7 sentences. A (winter morning) can be frosty.Logical formLearned from7 sentences. Some birds may migrate in a winter.Logical formLearned from7 sentences. A (winter break) may approach.Logical formLearned from7 sentences. A (winter climate) may pertain-to a country.Logical formLearned from7 sentences. (Winter conditions) can be treacherous.Logical formLearned from7 sentences. Delays may be caused by (winter weather).Logical formLearned from7 sentences. (Winter storms) may start.Logical formLearned from7 sentences. (Winter storms) can be at a beginning of a month.Logical formLearned from7 sentences. Cases can be in a winter.Logical formLearned from7 sentences.