阅读短文，并根据其内容判断下列句子的正误。

Good morning, my name's Tom. I'm, seven years old. This is my brother, Jack. He's five years old. Look, I have a big green bag. There are seven books, six pencils and three rulers in my bag. My brother has a yellow bag, his bag is not big. This is my pet bird, it's orange. And it is on the log now. I like it very much.