A self can be empty.Logical formLearned from38 sentences. Sidewalks can be empty.Logical formLearned from38 sentences. A cardboard box can be empty.Logical formLearned from38 sentences. A base can be empty.Logical formLearned from38 sentences. Aisles can be empty.Logical formLearned from38 sentences. (Bullet casings) can be empty.Logical formLearned from38 sentences. (Bank accounts) can be empty.Logical formLearned from38 sentences. A classroom can be empty.Logical formLearned from38 sentences. A label can be empty.Logical formLearned from38 sentences. Stomaches can be empty.Logical formLearned from38 sentences. A person may score into an empty net.Logical formLearned from38 sentences. A playground can be empty.Logical formLearned from38 sentences. (Food warehouses) can be empty.Logical formLearned from38 sentences. A day can be empty.Logical formLearned from38 sentences. A pair can be empty.Logical formLearned from37 sentences.