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.

Ex 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.

Ex Output:
no

Ex Input:
Question: Does preinjury beta blocker usage affect the heart rate response to initial trauma resuscitation?
Answer: Preinjury beta blockade is associated with a slower presenting heart rate, more bradycardia, less tachycardia, but no difference in mortality or ability to achieve a normal heart rate with resuscitation.

Ex Output:
no

Ex Input:
Question: Does prophylactic use of aspirin induce anaemia among adults?
Answer: The results may help in minimizing concerns about the development of anaemia among patients on aspirin. They highlight the importance of age, gender, smoking and ulcer medication in determining the incidence of anaemia among those patients.

Ex Output:
no