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: Is ischemic preconditioning cardioprotective in senescent human myocardium?
Answer: Our data indicate that ischemic preconditioning has no beneficial effect on the postischemic functional recovery of senescent human myocardium.
Example Output: no

Example Input: Question: Does dll1 haploinsufficiency in adult mice lead to a complex phenotype affecting metabolic and immunological processes?
Answer: In conclusion, slight alterations in one player of Notch signaling alter the entire organism, emphasizing the fine-tuning character of this pathway in a high number of processes.
Example Output: yes

Example Input: Question: Is fibroblast growth factor 2 an intrinsic chondroprotective agent that suppresses ADAMTS-5 and delays cartilage degradation in murine osteoarthritis?
Answer: These data identify FGF-2 as a novel endogenous chondroprotective agent in articular cartilage.
Example Output:
yes