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.

Example Input: Question: Do alberta rodeo athletes develop the chronic whiplash syndrome?
Answer: Rodeo athletes appear to be in at least as many motor vehicle collisions as rodeo spectators, and 33% suffered the acute whiplash syndrome. Rodeo athletes appear, however, to be more resistant than spectators to developing prolonged pain and disability.
Example Output: no

Example Input: Question: Does endothelial cell chimerism influence allograft tolerance in liver transplant patients after withdrawal of immunosuppression?
Answer: Endothelial cell chimerism has nothing to do with the induction of clinical tolerance in liver transplant patients after withdrawal of immunosuppression.
Example Output: no

Example Input: 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/IFNγ/IDO axis that mediates the therapeutic effects of allogeneic MSCs in lupus patients.
Example Output:
yes