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 Q]: Question: Is hypothalamic damage associated with inflammatory markers and worse cognitive performance in obese subjects?
Answer: DTI detects obesity-associated hypothalamic damage associated with inflammatory markers and worse cognitive performance. This study highlights the potential utility of λ(1) as a surrogate marker of obesity-associated hypothalamic damage.
[EX A]: yes

[EX Q]: Question: Does successful AV fistula creation lead to higher catheter use : the experience by the Northwest Renal Network 16 Vascular Access Quality Improvement Program . Four years follow-up?
Answer: The success of Network 16's AVF interventions demonstrates the effectiveness of Network education promoting multidisciplinary teamwork, and innovative strategies to increase dramatically AVF use without substantial increase in catheter use.
[EX A]: no

[EX Q]: Question: Is direct observation a valid criterion for estimating physical activity and sedentary behavior?
Answer: This study provides evidence that DO can be used as a criterion measure of absolute intensity in free-living validation studies.
[EX A]:
yes