Instructions: 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.
Input: Question: Does a paclitaxel-containing chemotherapy cause central nervous adverse effects : a prospective study in patients with ovarian cancer?
Answer: According to our results, a chemotherapy consisting of paclitaxel/carboplatin caused no signs of acute central nervous toxicity or neuropsychological deterioration.
Output:
no