Here are three girls. They are talking about  their favorite clothes and colors. "I like skirts very much. I have many skirts in my wardrobe . Red is my favorite color. I have a red skirt, and it's my favorite skirt. My mother buys it for me. It's$168," Grace says. "My mom often buys new skirts for me. All my skirts are nice. I have skirts in all colors. My favorite one is a yellow skirt. It's nice. And yellow is my favorite color," Emily says. "I don't like skirts. T-shirts and shorts  are my favorite. Black and white are my favorite colors. People often say I look like a boy." Kelly says. ,. What is Emily's favorite skirt?
A red one. A yellow one. A black one. A blue one