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.

Question: Is childhood maltreatment associated with depression but not with hypochondriasis in later life?
Answer: The findings suggest a robust association of childhood maltreatment with depression but not with hypochondriasis. This result does not support etiological models of hypochondriasis which rely on childhood maltreatment as a risk factor for the development of this disorder.
yes

Question: Does nonresponse to pre-operative chemotherapy preclude long-term survival after liver resection in patients with colorectal liver metastases?
Answer: Liver resection offers a long-term survival benefit for patients with CRM, even when tumor growth proceeds during pre-operative chemotherapy.
no

Question: Does administration of beta2-adrenergic agonists during the peri-implantation period improve implantation or pregnancy rates in intracytoplasmic sperm injection ( ICSI ) cycles?
Answer: The results of this study do not support the routine use of beta2-adrenergic agonists during the peri-implantation period in assisted reproductive technology cycles.

no