TASK DEFINITION: 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.
PROBLEM: Question: Are mutational status of KIT and PDGFRA and expression of PDGFRA associated with prognosis after curative resection of primary gastrointestinal stromal tumors ( GISTs )?
Answer: Our data do not support the notion that expression of PDGFRA or mutations in KIT or PDGFRA are independent prognostic factors after curative resection of primary GIST.

SOLUTION: no

PROBLEM: 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.

SOLUTION: yes

PROBLEM: Question: Is serum lysophosphatidylcholine level altered in coronary artery disease?
Answer: Serum LPC level is not altered in patients with CAD proven by coronary angiography.

SOLUTION:
no