Here are two pictures.A man and a boy are in one picture.Who are they?  Let me tell you.The man is Mr White, and the boy's name is Bill.He's the man's son.Now they are in Bill's bedroom.We can see some Chinese books in the desk.And on the bed , there is a shirt.It's Bill's.His trousers are on it, under his shirt.too. Now let's look at the other picture.You can see a woman and a girl in it.The woman is Bill's mother and she's in her daughter Ann's bedroom.You can see a photo of the Whites on the white wall.Between the windows, there is a desk.A clock is on the desk.It's eleven.What's that on the floor? Oh, it's Ann's hat.but it looks like a brown cat. In Ann's bedroom ,we can see a   _  .
cat ball shirt clock