阅读理解

Anna: Hi, David. Nice to meet you.

David: Hello, Anna.

Anna: Your schoolbag is yellow and I like it. What is in it?

David: Five books, two keys and a pencil box.

Anna: A blue cup is in it, too.

David: It is Peter's. What is in your schoolbag?

Anna: Seven books, a blue pencil box, my ID card and a ruler.

David: What color is your schoolbag?

Anna: It's pink.