Skin can be empty.Logical formLearned from20 sentences. A cabin can be empty.Logical formLearned from20 sentences. An one may deceive a person with empty words.Logical formLearned from20 sentences. An aisle can be empty.Logical formLearned from20 sentences. A male may come empty.Logical formLearned from20 sentences. Caskets can be empty.Logical formLearned from20 sentences. (Ink cartridges) can be empty.Logical formLearned from20 sentences. A boat can be empty.Logical formLearned from20 sentences. A neighborhood can be empty.Logical formLearned from20 sentences. Plazas can be empty.Logical formLearned from20 sentences. A fortress can be empty.Logical formLearned from20 sentences. A plant can be empty.Logical formLearned from20 sentences. A chapel can be empty.Logical formLearned from20 sentences. Months can be empty.Logical formLearned from20 sentences. Rafts can be empty.Logical formLearned from20 sentences.