Diseases can be chronic.Logical formLearned from8 184 sentences. A disease can be chronic.Logical formLearned from6 234 sentences. An illness can be chronic.Logical formLearned from6 231 sentences. Conditions can be chronic.Logical formLearned from4 620 sentences. Illnesses can be chronic.Logical formLearned from4 175 sentences. A condition can be chronic.Logical formLearned from2 285 sentences. Problems can be chronic.Logical formLearned from2 046 sentences. A problem can be chronic.Logical formLearned from1 824 sentences. An infection can be chronic.Logical formLearned from1 502 sentences. An obstructive pulmonary disease can be chronic.Logical formLearned from1 441 sentences. A bronchitis can be chronic.Logical formLearned from1 406 sentences. A (lung disease) can be chronic.Logical formLearned from1 343 sentences. Exposure can be chronic.Logical formLearned from1 340 sentences. A (kidney disease) can be chronic.Logical formLearned from1 330 sentences. A back pain can be chronic.Logical formLearned from1 312 sentences.