(Ski tips) may pertain-to a person.Logical formLearned from7 sentences. A park may have some miles of (ski trails).Logical formLearned from7 sentences. A park may maintain some miles of (ski trails).Logical formLearned from7 sentences. Persons may leave skis.Logical formLearned from7 sentences. A resort may have some (ski runs).Logical formLearned from7 sentences. A ski can be advanced.Logical formLearned from7 sentences. A (ski area) may undergo an expansion.Logical formLearned from7 sentences. A (ski instructor) can be handsome.Logical formLearned from7 sentences. Skis can be waxed.Logical formLearned from7 sentences. A race may pertain-to a (ski season).Logical formLearned from7 sentences. (Ski jumpings) may have competitions.Logical formLearned from7 sentences. A trail can be during a (ski lesson).Logical formLearned from7 sentences. A trail can be at a (ski resort).Logical formLearned from7 sentences. A (ski jacket) can be blue.Logical formLearned from7 sentences. (Ski jumpings) may pertain-to men.Logical formLearned from7 sentences.