Hi, I'm Jack Brown. This is a photo of my family. Who are they? Please guess! My mother's name is Lily Brown and my father's name is Danny Brown. My cousin Peter Brown is a baby (婴儿). Peter's parents are not my mother's sister or brother. My cousin Mary is in the photo. She is a nice girl. Her mother's parents are my mother's parents, too. My sister Linda is in the middle of the photo. Who am I? I'm the boy in a blue jacket. I'm in the middle of my parents.