A philosophy can be empty.Logical formLearned from18 sentences. Arguments can be empty.Logical formLearned from18 sentences. Minds can be empty.Logical formLearned from18 sentences. Brackets can be empty.Logical formLearned from18 sentences. Cupboards can be empty.Logical formLearned from18 sentences. Storage can be empty.Logical formLearned from18 sentences. A game can be empty.Logical formLearned from18 sentences. (Bullet clips) can be empty.Logical formLearned from18 sentences. Some churches can be empty.Logical formLearned from18 sentences. Stretchers can be empty.Logical formLearned from18 sentences. A (parking garage) can be empty.Logical formLearned from18 sentences. Bunkers can be empty.Logical formLearned from18 sentences. Some villages can be empty.Logical formLearned from18 sentences. A goal can be empty.Logical formLearned from18 sentences. A minibus can be empty.Logical formLearned from18 sentences.