Detailed 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.
Problem:Question: Is a CD8 T cell/indoleamine 2,3-dioxygenase axis required for mesenchymal stem cell suppression of human systemic lupus erythematosus?
Answer: We found a previously unrecognized CD8+ T cell/IFN/IDO axis that mediates the therapeutic effects of allogeneic MSCs in lupus patients.
Solution:
yes