A place can be sturdy.Logical formLearned from20 sentences. A ground can be sturdy.Logical formLearned from20 sentences. A nylon can be sturdy.Logical formLearned from20 sentences. A plywood can be sturdy.Logical formLearned from20 sentences. A dresser can be sturdy.Logical formLearned from20 sentences. An (aluminum frame) can be sturdy.Logical formLearned from20 sentences. A backbone can be sturdy.Logical formLearned from20 sentences. Fabrics can be sturdy.Logical formLearned from20 sentences. A brick can be sturdy.Logical formLearned from20 sentences. Bones can be sturdy.Logical formLearned from20 sentences. A leg can be sturdy.Logical formLearned from20 sentences. A rack can be sturdy.Logical formLearned from19 sentences. A young man can be sturdy.Logical formLearned from19 sentences. A horse can be sturdy.Logical formLearned from19 sentences. (Hiking shoes) can be sturdy.Logical formLearned from19 sentences.