Definition: 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.
Input: Question: Are myocardial and cerebral oxygen delivery adversely affected by cocaine administration to early-gestation fetal sheep?
Answer: Cerebral and myocardial oxygen delivery are unimpeded by maternal cocaine administration in 0.7 term gestation ovine fetuses.
Output:
no