A cigarette can be sturdy.Logical formLearned from10 sentences. A bicycle can be sturdy.Logical formLearned from10 sentences. A basket can be sturdy.Logical formLearned from10 sentences. A fortress can be sturdy.Logical formLearned from10 sentences. Cardboard boxes can be sturdy.Logical formLearned from10 sentences. Some chairs can be sturdy.Logical formLearned from10 sentences. A spirit can be sturdy.Logical formLearned from10 sentences. A boot can be sturdy.Logical formLearned from10 sentences. An enclosure can be sturdy.Logical formLearned from10 sentences. Pieces can be sturdy.Logical formLearned from10 sentences. A youth can be sturdy.Logical formLearned from10 sentences. An opponent can be sturdy.Logical formLearned from10 sentences. A (tree stand) can be sturdy.Logical formLearned from10 sentences. A toddler can be sturdy.Logical formLearned from10 sentences. Farmers can be sturdy.Logical formLearned from10 sentences.