阅读理解，阅读下列短文，根据其内容，选择最佳选项。

Hi, I'm Brian. This is the photo of my family. My grandfather is in the middle behind me. The one standing next to him is my uncle. A hat is on his head. My grandmother is in the chair and there is a cat on her legs. The woman in green is my mom. It's her favorite color. There is a little girl on the table. Her name is Cathy. She is my sister. Which one is my father? Well, he is next to my mother. He wears a brown coat. His name is Sam. Now, you know where he is?