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 positive expression of miR-361-5p indicate better prognosis for breast cancer patients?
Answer: These results indicated that miR-361-5p expression is an independent predictive factor for better prognosis in BC.
[EX A]: yes

[EX Q]: Question: Is pKC a negative regulator of PVAT-derived vessel formation?
Answer: PKC negatively interferes with vessel progenitor differentiation via interaction with PAK-1.
[EX A]: yes

[EX Q]: Question: Does ancient DNA provide new insight into the maternal lineages and domestication of Chinese donkeys?
Answer: This study is the first to provide valuable ancient animal DNA evidence for early trade between African and Asian populations. The ancient DNA analysis of Chinese donkeys also sheds light on the dynamic process of the maternal origin, domestication, and dispersal route of ancient Chinese donkeys.
[EX A]:
yes