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.
Input: Question: Is real-time two-dimensional shear wave ultrasound elastography of the liver a reliable predictor of clinical outcomes and the presence of esophageal varices in patients with compensated liver cirrhosis?
Answer: This is the first evaluation of RT-2D-SWE as a prognostic tool in LC. Although preliminary and gathered in a limited sample, our data emphasize the potential of LS to be a reliable predictor of clinical outcomes and the presence of EV in LC patients.
Output:
yes