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 mannose-binding lectin gene , MBL2 , polymorphisms associated with susceptibility to invasive pneumococcal disease in children?
Answer: Defective MBL2 polymorphisms did not predict increased IPD susceptibility in children born in Northern Europe.
no