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 dense genotyping of immune-related loci identify HLA variants associated with increased risk of collagenous colitis?
Answer: HLA genotype associates with CC, thus implicating HLA-related immune mechanisms in its pathogenesis.
A:
yes