Q: Given a passage with a question and an answer to that question, classify if the answer actually answers the question into 'yes' or 'no'. Output 'yes' if the answer answers the question and output 'no' if the answer does not answer the question.
Question: Is decrease of pulmonary blood flow detected by phase contrast MRI correlated with a decrease in lung volume and increase of lung fibrosis area determined by computed tomography in interstitial lung disease?
Answer: In ILD, reduced pulmonary blood flow is associated with reduced lung volume and increased abnormal lung area.
A:
yes