Detailed Instructions: 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: Does increased pretreatment serum IFN-/ ratio predict non-response to tumour necrosis factor inhibition in rheumatoid arthritis?
Answer: Increased pretreatment serum IFN-/ ratio strongly associated with non-response to TNF inhibition. This study supports further investigation of serum type I IFN in predicting outcome of TNF inhibition in RA.
A:
yes