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 ulcerative proctitis a frequent location of paediatric-onset UC and not a minor disease : a population-based study?
Answer: UP is frequent in paediatric-onset UC and should not be considered as a minor disease. Compared with more extensive UC locations, risks for colonic extension, anti-TNF- therapy and colectomy were similar in UP, whereas the risk for use of IM was lower.
Student:
yes