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.

Example Input: Question: Is increased expression of hyaluronic acid binding protein 1 correlated with poor prognosis in patients with breast cancer?
Answer: HABP1 might be an independent predictive factor for breast cancer prognosis and up-regulation of HABP1 might play an important role in the metastasis of breast cancer.
Example Output: yes

Example Input: Question: Is hypothalamic damage associated with inflammatory markers and worse cognitive performance in obese subjects?
Answer: DTI detects obesity-associated hypothalamic damage associated with inflammatory markers and worse cognitive performance. This study highlights the potential utility of λ(1) as a surrogate marker of obesity-associated hypothalamic damage.
Example Output: yes

Example Input: Question: Does the anti-ulcer drug sucralfate affect gastric nicotine levels?
Answer: The binding of nicotine to the precipitating agent sucralfate is not sufficient effectively to remove nicotine from the gastric juice.
Example Output:
no