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.

Question: Are interleukin-1B and interleukin-1 receptor antagonist gene polymorphisms associated with premalignant gastric conditions : a combined haplotype analysis?
Answer: The determination of these IL1-related loci does not have any predictive value for stratification of subgroups with respect to gastric cancer risk.
no