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: Consider Input: Question: Does in a safety net population HPV4 vaccine adherence worsen as BMI increases?
Answer: Obesity, as well as gravidity and Hispanic race, are risk factors for lack of HPV4 vaccine adherence among young females in a safety net population.

Output: yes


Input: Consider Input: Question: Does polymorphism of the glycoprotein Ia and IIIa in the group of women in childbirth correlate with an increased risk of developing thrombosis?
Answer: Our results did not show the causative relationship between the existence of platelets GP IIIa/GP Ia mutations and venous system thrombosis in the women in labor. Probably presence of pro-thrombotic mutations of platelets glycoprotein in this group of patients does not represent the increased risk of thrombosis.

Output: no


Input: Consider Input: Question: Does chemotherapy within 30 days before surgery augment postoperative mortality and morbidity?
Answer: Preoperative use of neoadjuvant chemotherapy in cancer patients undergoing resection surgeries was not associated with a higher rate of early postoperative complications or mortality.


Output: no