A (peanut butter jar) can be empty.Logical formLearned from11 sentences. Trunks can be empty.Logical formLearned from11 sentences. A farmhouse can be empty.Logical formLearned from11 sentences. A module can be empty.Logical formLearned from11 sentences. A stable can be empty.Logical formLearned from11 sentences. A phial can be empty.Logical formLearned from11 sentences. A staff can be empty.Logical formLearned from11 sentences. A function may return an empty string.Logical formLearned from11 sentences. A (source route) can be empty.Logical formLearned from11 sentences. An one can be empty.Logical formLearned from11 sentences. Campsites can be empty.Logical formLearned from11 sentences. A (sofa seat) can be empty.Logical formLearned from11 sentences. A crater can be empty.Logical formLearned from11 sentences. An in-box can be empty.Logical formLearned from11 sentences. An inhaler can be empty.Logical formLearned from11 sentences.