Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Question: Is promoter polymorphism of cyclooxygenase-1 ( COX1 ) associated with ulcerative colitis in the Japanese population?
Answer: This research suggests that COX1 promoter polymorphisms (T-1676C and A-842G/ C50T) may not be associated with the risk of developing ulcerative colitis in a Japanese population.
Student:
no