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 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 (1) as a surrogate marker of obesity-associated hypothalamic damage.

Ex Output:
yes

Ex Input:
Question: Does wNT2 promote Cervical Carcinoma Metastasis and Induction of Epithelial-Mesenchymal Transition?
Answer: WNT2 might be a novel predictor of PLNM and a promising prognostic indicator in cervical cancer.

Ex Output:
yes

Ex Input:
Question: Does contralateral prophylactic mastectomy provide no survival benefit in young women with estrogen receptor-negative breast cancer?
Answer: CPM provides no survival benefit to young patients with early-stage breast cancer, and no benefit to ER-negative patients. Future studies with longer follow-up are required in this cohort of patients.

Ex Output:
yes