(Immune-system genes) can be faulty.Logical formLearned from3 sentences. An attempt can be faulty.Logical formLearned from3 sentences. References can be faulty.Logical formLearned from3 sentences. A grammar can be faulty.Logical formLearned from3 sentences. A detail can be faulty.Logical formLearned from3 sentences. A display can be faulty.Logical formLearned from3 sentences. Shoes can be faulty.Logical formLearned from3 sentences. A streetlight can be faulty.Logical formLearned from3 sentences. An electoral roll can be faulty.Logical formLearned from3 sentences. Electrical outlets can be faulty.Logical formLearned from3 sentences. Passes can be faulty.Logical formLearned from3 sentences. A composition can be faulty.Logical formLearned from3 sentences. (Voter rolls) can be faulty.Logical formLearned from3 sentences. A chimney can be faulty.Logical formLearned from3 sentences. Institutions can be faulty.Logical formLearned from3 sentences.