Q: 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 hepatitis C virus core , NS3 , NS4B and NS5A the major immunogenic proteins in humoral immunity in chronic HCV infection?
Answer: The data shows significant variation in the specificity in humoral immunity in chronic HCV patients.
A:
yes