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: Does 18F-FDG-PET/CT better localize active spinal infection than MRI for successful minimally invasive surgery?
Answer: FDG-PET/CT demonstrated limited areas of abnormality allowing accurate delineation, and is thus useful to narrow the surgical fields. Since overall diagnostic accuracy of FDG-PET/CT was superior to that of MRI, FDG-PET/CT is a useful technique to narrow the surgical field for successful less invasive surgery.

Answer: yes


Question: Question: Does a null mutation in ANGPTL8 associate with either plasma glucose or type 2 diabetes in humans?
Answer: Disruption of ANGPTL8 function in humans does not seem to have a large effect on measures of glucose tolerance.

Answer: no


Question: Question: Does limited evidence suggest standard fluoride toothpaste reduces caries potential in preschool children?
Answer: Standard F toothpastes are effective in reducing dental caries in the primary teeth of preschool children and thus their use should be recommended to this age group.

Answer:
yes