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.
Q: Question: Does fEV1/FEV6 in Primary Care be a Reliable and Easy Method for the Diagnosis of COPD?
Answer: FEV1/FEV6 <0.72 can be used in primary care as a valid alternative to FEV1/FVC <0.70 as a fixed cutoff point for the detection of COPD in adults. This study suggests that FEV1/FEV6 is an effective and well validated option that should be used in primary care to detect COPD, which is a rampant problem.
A:
yes