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: Does truncation in the tcdC region of the Clostridium difficile PathLoc of clinical isolates predict increased biological activity of Toxin B or Toxin A?
Answer: Our data do not support a direct role for alterations in the tcdC gene as a predictor of hyperproduction of Toxin A and B in NAP1-related strains.
Output:
no