An infrastructure can be sturdy.Logical formLearned from14 sentences. A channel can be sturdy.Logical formLearned from14 sentences. Shelters can be sturdy.Logical formLearned from13 sentences. A body can be sturdy.Logical formLearned from13 sentences. A design can be sturdy.Logical formLearned from13 sentences. Trunks can be sturdy.Logical formLearned from13 sentences. A pillar can be sturdy.Logical formLearned from13 sentences. A fish can be sturdy.Logical formLearned from13 sentences. Fans can be sturdy.Logical formLearned from13 sentences. A step can be sturdy.Logical formLearned from13 sentences. Furniture can be sturdy.Logical formLearned from13 sentences. A neck can be sturdy.Logical formLearned from13 sentences. A shaft can be sturdy.Logical formLearned from13 sentences. (Lap boards) can be sturdy.Logical formLearned from13 sentences. Poults can be sturdy from a stock.Logical formLearned from13 sentences.