Definition: 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: Question: Are genes related to emphysema enriched for ubiquitination pathways?
Answer: This study implicates modified protein ubiquitination and degradation as a potentially important pathway in the pathogenesis of emphysema.
Output:
yes