Which choice shows the proper way to use a colon?
The Sleeping Gypsy has the following subjects in it: the lion, the gypsy, and the moon.
There are many subjects in the painting: the painting is called The Sleeping Gypsy.
The subjects are the lion, the gypsy, and the moon, the painting is: The Sleeping Gypsy.
In the painting: The Sleeping Gypsy, the artist painted a lion, gypsy, and the moon.