A ray diagram is shown.

There is a tree as an object in between 2 F and F on the object side of the biconcave lens. There is a light ray parallel to the principal axis labeled W and is bent away from F on the object side. A ray labeled X goes straight through the center of the lens. F on the image side of the lens is labeled Y and 2 F on the image side of the lens is labeled Z.
Which letter represents the location of the image produced by the lens?

W
X
Y
Z