Mike: Hi, dog, Is this your gray T-shirt? 
Dog: No, it isn’t. My T-shirt is brown.
Mike: Whose is this?
Mom:This is your baby brother’s.
Mike: I like its color. Can you buy me a new gray jacket?
Mom: Ok, I will give you a new gray jacket for your birthday present.
Mike: Thanks, mom.
Dog: Oh，I want a present too.
Mom: Well, then ,what do you like, doggy?
Dog: I like a white sweater.