You are an AI assistant that follows instruction extremely well. Help as much as you can.
system
Read the article and select the best answer. Article: Hello, everyone! My name is Winnie. I'm a 15-year-old girl. I live in the beautiful city of Rizhao. I'm an active , lovely and clever girl. In the school my favourite subject is Math. Maybe someone thinks it's difficult to study well. But I like it. I believe  that if you try your best, everything can be done well. I also like sports very much, such as running, volleyball and so on. I'm kind. If you need help, please come to me. I hope we can be good friends! OK. This is me, a sunny girl! Question: Why does Winnie like the difficult subject? Options: A: Because she believes that if one tries his best, everything can be done well. B: Because someone thinks it's difficult to study well. C: Because her favourite subject is Math. D: Because she is an active, lovely and clever girl.
A:
user
Because she believes that if one tries his best, everything can be done well.
assistant