Folders can be sturdy.Logical formLearned from4 sentences. A red brick can be sturdy.Logical formLearned from4 sentences. A pack can be sturdy.Logical formLearned from4 sentences. A star can be sturdy.Logical formLearned from4 sentences. A cupboard can be sturdy.Logical formLearned from4 sentences. An army can be sturdy.Logical formLearned from4 sentences. Pride can be sturdy.Logical formLearned from4 sentences. Fighters can be sturdy.Logical formLearned from4 sentences. A column can be sturdy.Logical formLearned from4 sentences. A cane can be sturdy.Logical formLearned from4 sentences. Cottons can be sturdy.Logical formLearned from4 sentences. (Tennis shoes) can be sturdy.Logical formLearned from4 sentences. A friendship can be sturdy.Logical formLearned from4 sentences. A handle can be sturdy.Logical formLearned from4 sentences. A ruble can be sturdy.Logical formLearned from4 sentences.