A demyelination can be chronic.Logical formLearned from13 sentences. Juvenile offenders can be chronic.Logical formLearned from13 sentences. A person can be chronic.Logical formLearned from13 sentences. (Food problems) can be chronic.Logical formLearned from13 sentences. Shortages of food can be chronic.Logical formLearned from13 sentences. A degenerative disorder can be chronic.Logical formLearned from13 sentences. (Health troubles) can be chronic.Logical formLearned from13 sentences. A (neck injury) can be chronic.Logical formLearned from13 sentences. A backlog can be chronic.Logical formLearned from13 sentences. (Pain disorders) can be chronic.Logical formLearned from12 sentences. A compression can be chronic.Logical formLearned from12 sentences. A toxicity can be chronic.Logical formLearned from12 sentences. A (mercury poisoning) can be chronic.Logical formLearned from12 sentences. Chronic pain can be a problem.Logical formLearned from12 sentences. A (graft rejection) can be chronic.Logical formLearned from12 sentences.