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.
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Question: Question: Do an update on long-term outcome of curative hepatic resection for hepatocholangiocarcinoma?
Answer: Hepatocholangiocarcinoma entails poor long-term outcome after potentially curative hepatectomy. Other modalities of treatment should be explored in order to prolong survival of patients with this disease.

Answer: yes

Question: Question: Is routine preoperative lymphoscintigraphy necessary prior to sentinel node biopsy for breast cancer?
Answer: Preoperative lymphoscintigraphy adds little additional information to intraoperative lymphatic mapping, and its routine use is not justified.

Answer: no

Question: Question: Does resistance training contribute to improving the metabolic profile after a 6-month weight loss program in overweight and obese postmenopausal women?
Answer: CR+RT was associated with greater losses in percent FM and trunk FM compared with CR alone. However, CR+RT was not associated with additional improvements in the metabolic profile compared with CR alone.

Answer:
no