Please answer the following question: Read the following article and select the best answer. Article: Danny. . Danny: The pencil is green. It's not mine. It's my friend Kevin's. The eraser is not Kevin's. It's Sally's. She has three erasers. The red pen is Millie's. The ruler is Millie's, too. The blue notebook is not Millie's. It's John's. What's mine? The key is. It's not in my schoolbag. It's in my jacket. Thank you, Kevin, Sally, Millie and John. Question: The key is in Danny's _ . - schoolbag - pencil box - cup - jacket
A:
jacket