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 associations of Heart Rate With Inflammatory Markers Are Modulated by Gender and Obesity in Older Adults?
Answer: Faster HR is associated with proinflammatory state in elderly patients; this association seems to be limited to women with higher BMI.
Example Output: yes

Example Input: Question: Does local adenovirus-mediated transfer of C-type natriuretic peptide suppress vascular remodeling in porcine coronary arteries in vivo?
Answer: Adenovirus-mediated CNP gene transfer with the IABC system may be a useful gene therapy to prevent restenosis after PTCA in vivo.
Example Output: yes

Example Input: Question: Are intrinsic racial differences in the risk of cesarean delivery explained by differences in caregivers or hospital site of delivery?
Answer: Hospital site of delivery and individual physician practices do not fully explain racial differences in the risk of primary cesarean delivery.
Example Output:
no