Plates can be empty.Logical formLearned from25 sentences. Circles can be empty.Logical formLearned from25 sentences. A mirror can be empty.Logical formLearned from25 sentences. Spaces can be empty.Logical formLearned from25 sentences. Carts can be empty.Logical formLearned from25 sentences. Pulpits can be empty.Logical formLearned from25 sentences. Boulevards can be empty.Logical formLearned from25 sentences. (Tin cans) can be empty.Logical formLearned from25 sentences. A pantry can be empty.Logical formLearned from25 sentences. A trailer can be empty.Logical formLearned from25 sentences. A building can be empty.Logical formLearned from25 sentences. A clubhouse can be empty.Logical formLearned from25 sentences. An attribute can be empty.Logical formLearned from25 sentences. An (argument list) can be empty.Logical formLearned from25 sentences. A (toilet paper roll) can be empty.Logical formLearned from25 sentences.