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 Input:
Question: Are health promotion lifestyle profile scores associatedwith obesity in high school students?
Answer: Adolescence is an era of development when individuals start to implement their own features to life. According to this study adolescents do not perform health promoting lifestyles whether they are obese or not.

Ex Output:
no

Ex Input:
Question: Are longer durations of antitumour necrosis factor treatment associated with reduced risk of cardiovascular events in patients with rheumatoid arthritis?
Answer: Anti-TNF therapy was associated with a significantly lower risk of cardiovascular events among patients with RA, older patients with RA and patients without prior exposure to methotrexate.

Ex Output:
yes

Ex Input:
Question: Is the intronic G13964C variant in p53 a high-risk mutation in familial breast cancer in Australia?
Answer: The present study would have had 80% power to detect an odds ratio of 4.4, and we therefore conclude that the G13946C polymorphism is not a 'high-risk' mutation for familial breast cancer.

Ex Output:
no