A trellis can be sturdy.Logical formLearned from13 sentences. Peasants can be sturdy.Logical formLearned from13 sentences. A book can be sturdy.Logical formLearned from13 sentences. (Plastic bags) can be sturdy.Logical formLearned from13 sentences. A housing can be sturdy.Logical formLearned from13 sentences. A (brick house) can be sturdy.Logical formLearned from13 sentences. Dogs can be sturdy.Logical formLearned from12 sentences. A companion can be sturdy.Logical formLearned from12 sentences. A (metal case) can be sturdy.Logical formLearned from12 sentences. Bones can be sturdy.Logical formLearned from12 sentences. Fences can be sturdy.Logical formLearned from12 sentences. A whisk can be sturdy.Logical formLearned from12 sentences. A footing can be sturdy.Logical formLearned from12 sentences. Bottles can be sturdy.Logical formLearned from12 sentences. A shelf can be sturdy.Logical formLearned from12 sentences.