Read the text below and answer the question. "Last year, our school organized a charity run to raise money for local animal shelters. Over 200 students and teachers participated, and we managed to collect a significant amount. The event took place on a sunny Saturday in May, and everyone had a great time running and supporting a good cause. We hope to make it an annual tradition." According to the text, what was the main purpose of the charity run?
A) To celebrate the end of the school year.