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.

Input: Consider Input: Question: Is a gain-of-function mutation in the cardiac pacemaker HCN4 channel increasing cAMP sensitivity associated with familial Inappropriate Sinus Tachycardia?
Answer: This is the first report of a gain-of-function HCN4 mutation associated with IST through increased sensitivity to cAMP-dependent activation.

Output: yes


Input: Consider Input: Question: Do older men with higher self-rated socioeconomic status have shorter telomeres?
Answer: men with higher self-rated socioeconomic status have shorter telomeres, possibly mediated through psychosocial rather than lifestyle factors or the presence of chronic disease. There may be cultural ethnic and age-related differences in social determinants of health.

Output: yes


Input: Consider Input: Question: Do patients with Pathologically Proven Renal Disease Have Similar Declines in Renal Function Following Robot-Assisted Partial Nephrectomy?
Answer: The presence of pathological renal disease in non-neoplastic renal tissue did not place patients at risk for worsened postoperative complications or renal function deterioration following robot-assisted partial nephrectomy.


Output: yes