A post can be sturdy.Logical formLearned from11 sentences. Yeomen can be sturdy.Logical formLearned from11 sentences. (School buildings) can be sturdy.Logical formLearned from11 sentences. Workers can be sturdy.Logical formLearned from11 sentences. Equipment can be sturdy.Logical formLearned from11 sentences. Songs can be sturdy.Logical formLearned from11 sentences. Ponies can be sturdy.Logical formLearned from11 sentences. A ship can be sturdy.Logical formLearned from10 sentences. A building can be sturdy.Logical formLearned from10 sentences. Resistance can be sturdy.Logical formLearned from10 sentences. A soul can be sturdy.Logical formLearned from10 sentences. A stainless steel can be sturdy.Logical formLearned from10 sentences. A system can be sturdy.Logical formLearned from10 sentences. A (board book) can be sturdy.Logical formLearned from10 sentences. A luggage can be sturdy.Logical formLearned from10 sentences.