This room is not big but nice. There's a bed, a desk and some chairs in it. The desk is next to the window. On the desk, there is a book, a glass and some cakes. The bed is next to the desk. There are trousers  and a coat on the bed. The trousers are green. They are new. The coat is yellow. It's new, too. Under the bed, there are some shoes and two balls. This is Susan's room. She's a good student. Susan is   _  .
a teacher a man a boy a girl