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: Is outcome improved by the use of alternating chemotherapy in elderly patients with aggressive lymphoma?
Answer: Alternating regimen did not improve outcome, was less efficient and more toxic.
no