Q: 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.
Question: Does abdominal compression during endoscopy ( the Bolster technique ) demonstrate hidden Schatzki rings ( with videos )?
Answer: The Bolster technique is a simple maneuver that can increase detection rates of Schatzki rings during endoscopy.
A:
yes