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 tissue plasminogen activator increase neuronal damage in rat models of global and focal ischemia?
Answer: Despite sublethal insults, with moderate injury induced by ischemia, there was no evidence that increasing doses of tPA exacerbated ischemic injury.
no