Given the question: I'm taking a test and have to guess the right answer to the question after the article. Article: Hi, I'm Liu Ying. This is my school. It's big and beautiful. There are twenty classes. There are nine hundred students in my school. There are four beautiful gardens in it. There is a building in my school. On the first floor, there are two offices and a hall. There are six classrooms on the first floor, too. On the second floor, there are fourteen classrooms. There are two toilets on the second floor. There is a big library and some reading rooms in my school, too. Question: Is there a building in the school? Options: A: No, there isn't B: Yes, there is C: Yes, there are D: No, there aren't.
The answer is:
B