A (garbage can) can be empty.Logical formLearned from18 sentences. A (memory card) can be empty.Logical formLearned from18 sentences. An audience can be empty.Logical formLearned from18 sentences. A breast can be empty.Logical formLearned from18 sentences. (Drink bottles) can be empty.Logical formLearned from18 sentences. Heads can be empty.Logical formLearned from18 sentences. A house may remain empty.Logical formLearned from18 sentences. Dams can be empty.Logical formLearned from18 sentences. Legs can be empty.Logical formLearned from18 sentences. (Window frames) can be empty.Logical formLearned from18 sentences. A safe can be empty.Logical formLearned from18 sentences. Buildings may stand empty.Logical formLearned from18 sentences. A range can be empty.Logical formLearned from18 sentences. A diner can be empty.Logical formLearned from18 sentences. Closets can be empty.Logical formLearned from18 sentences.