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 informed consent document improvement increase patients ' comprehension in biomedical research?
Answer: We failed to show that improving IC document comprehension through a lexicosyntactic approach or by a working group leads to better comprehension.
no