question: How is COPD differentiated ?
answer: by increased airway neutrophils , abnormally increased wall thickness , and increased smooth muscle in the bronchi
turker_answer: COPD is differentiated by increased airway neutrophils , abnormally increased wall thickness , and increased smooth muscle in the bronchi .
rule-based: COPD is differentiated by increased airway neutrophils , abnormally increased wall thickness , and increased smooth muscle in the bronchi .