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.

[EX Q]: Question: Is cardiovascular variability similarly altered in coronary patients with normal left ventricular function and in heart failure patients?
Answer: Our study shows that in coronary patients with no MI and no left ventricular dysfunction, there is a profound alteration of both HR and BP variability as in CHF patients, presumably because of a marked impairment of the autonomic modulation of the heart and blood vessels.
[EX A]: yes

[EX Q]: Question: Does intravenous insulin therapy during lung resection affect lung function or surfactant proteins?
Answer: According to our observations, short insulin treatment applied intravenously during resection does not affect the quality of breathing.
[EX A]: no

[EX Q]: Question: Are phospholipase C epsilon 1 ( PLCE1 ) haplotypes associated with increased risk of gastric cancer in Kashmir Valley?
Answer: These results suggest that variation in PLCE1 may be associated with GC risk in Kashmir Valley.
[EX A]:
yes