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 Q]: Question: Does overexpression of long noncoding RNA HOTAIR predict a poor prognosis in patients with cervical cancer?
Answer: our data indicate that high expression of HOTAIR is involved in cervical cancer progression and could be a potential target for diagnosis and gene therapy.
[EX A]: yes

[EX Q]: Question: Does prescription consisting of Vitamin C and Baicalin inhibit tumor growth by enhancing the antioxidant capacity in vivo?
Answer: PVB shows better antitumor effect than Vc and baicalin used alone, and it can significantly enhance the immunity and antioxidant capacity of the mice.
[EX A]: yes

[EX Q]: Question: Does preceptorship rurality affect medical students ' shelf exam scores?
Answer: Students assigned to preceptorships in rural locations scored at the same levels as students in urban preceptorships. The finding that there were no differences in medical students' exam scores based on the rurality of their family medicine preceptorship site indicates a substantial degree of educational equivalency between urban and rural preceptorships.
[EX A]:
no