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.

Q: 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.

A: no
****
Q: Question: Does phosphoinositide 3-kinase-δ regulate fungus-induced allergic lung inflammation through endoplasmic reticulum stress?
Answer: These findings suggest that PI3K-δ regulates Af-induced steroid-resistant eosinophilic allergic lung inflammation through ER stress.

A: yes
****
Q: Question: Does symptom resolution predict healing of erosive oesophagitis in Chinese?
Answer: Our results suggested that 8 weeks of lower dose PPI is not sufficient for oesophagitis healing. Symptom resolution with PPI does not predict oesophagitis healing in Chinese.

A:
no
****