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.
Q: Question: Are the status of rheumatoid factor and anti-cyclic citrullinated peptide antibody associated with the effect of anti-TNF agent treatment in patients with rheumatoid arthritis : a meta-analysis?
Answer: Neither the RF nor anti-CCP antibody status in RA patients is associated with a clinical response to anti-TNF treatment.
A:
no