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 human immunodeficiency type-1 virus ( HIV-1 ) infection in serodiscordant couples ( SDCs ) have an impact on embryo quality or intracytoplasmic sperm injection ( ICSI ) outcome?
Answer: HIV-1 infection in SDCs with infected males does not appear to have a significantly negative impact on embryo development or ICSI outcome.
A:
no