A house may sit empty.Logical formLearned from14 sentences. Some rows can be empty.Logical formLearned from14 sentences. An effort can be empty.Logical formLearned from14 sentences. A job can be empty.Logical formLearned from14 sentences. Canyons can be empty.Logical formLearned from14 sentences. Batteries can be empty.Logical formLearned from14 sentences. A cellar can be empty.Logical formLearned from14 sentences. Towers can be empty.Logical formLearned from14 sentences. A shore can be empty.Logical formLearned from14 sentences. Equipment can be empty.Logical formLearned from14 sentences. A cafeteria can be empty.Logical formLearned from14 sentences. A box can be empty.Logical formLearned from14 sentences. A cask can be empty.Logical formLearned from14 sentences. A location can be empty.Logical formLearned from14 sentences. A pack can be empty.Logical formLearned from14 sentences.