(Winter days) can be snowy.Logical formLearned from17 sentences. Some winters can be in a row.Logical formLearned from17 sentences. (Winter wheat varieties) can be red.Logical formLearned from17 sentences. A (winter flu vaccine) can be regular.Logical formLearned from17 sentences. Conditions can be in a winter.Logical formLearned from17 sentences. A (winter rescue) can be unprecedented.Logical formLearned from17 sentences. (Labor leaders) may pledge at a (winter meeting).Logical formLearned from17 sentences. A (heating season) may pertain-to a winter.Logical formLearned from17 sentences. A (winter wheat belt) can be hard.Logical formLearned from17 sentences. A winter may be surrounded by guns.Logical formLearned from17 sentences. A winter may boost stockpiles.Logical formLearned from16 sentences. A female may spend some winters.Logical formLearned from16 sentences. A (winter break) can be in effect.Logical formLearned from16 sentences. A winter may mean that something-is-the-case.Logical formLearned from16 sentences. (Winter sports) can be popular.Logical formLearned from16 sentences.