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: Does local injection of vasopressin reduce the blood loss during cesarean section in placenta previa?
Answer: The local injection of vasopressin into the placental implantation site significantly reduced the blood loss without increasing the morbidity.
yes