A (metal box) can be sturdy.Logical formLearned from3 sentences. A (door knob cover) can be sturdy.Logical formLearned from3 sentences. A nest can be sturdy.Logical formLearned from3 sentences. An atheist can be sturdy.Logical formLearned from3 sentences. Creatures can be sturdy.Logical formLearned from3 sentences. Padlocks can be sturdy.Logical formLearned from3 sentences. A hood can be sturdy.Logical formLearned from3 sentences. A mug can be sturdy.Logical formLearned from3 sentences. Knives can be sturdy.Logical formLearned from3 sentences. Health can be sturdy.Logical formLearned from3 sentences. A compact can be sturdy.Logical formLearned from3 sentences. A radio can be sturdy.Logical formLearned from3 sentences. Sunflowers can be sturdy.Logical formLearned from3 sentences. A tubular steel can be sturdy.Logical formLearned from3 sentences. A love can be sturdy.Logical formLearned from3 sentences.