Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Question: Do helicobacter pylori cytotoxin-associated gene-A antibodies predict complications or death in type 2 diabetes : the Fremantle Diabetes Study?
Answer: CagA seropositivity is not a risk factor for chronic vascular complications of type 2 diabetes. Assay of CagA antibodies does not contribute significantly to clinical management outside gastroenterological indications.
Student:
no