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.
Input: Question: Is pRNP 1368 polymorphism associated with sporadic Creutzfeldt-Jakob disease in the Korean population?
Answer: A significant difference of genotype and allele frequencies at PRNP 1368 was found between the normal Korean population and various European populations. In contrast to the results in the British and German populations, our study does not show a significant difference in genotype (P = 0.2763) and allele (P = 0.3750) frequencies of PRNP 1368 between sporadic CJD and normal controls.
Output:
no