A bench can be sturdy.Logical formLearned from5 sentences. Tannins can be sturdy.Logical formLearned from5 sentences. A shelf can be sturdy.Logical formLearned from5 sentences. A treadmill can be sturdy.Logical formLearned from5 sentences. A concrete can be sturdy.Logical formLearned from5 sentences. Bookcases can be sturdy.Logical formLearned from5 sentences. A (steel dowel construction) can be sturdy.Logical formLearned from5 sentences. (Paper plates) can be sturdy.Logical formLearned from5 sentences. An iphone can be sturdy.Logical formLearned from5 sentences. A framing can be sturdy.Logical formLearned from5 sentences. A husband can be sturdy.Logical formLearned from5 sentences. A (farm girl) can be sturdy.Logical formLearned from5 sentences. A (weight bench) can be sturdy.Logical formLearned from5 sentences. A dose can be sturdy.Logical formLearned from5 sentences. A suitcase can be sturdy.Logical formLearned from5 sentences.