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. the subjects are the lion, the gypsy, and the moon, the painting is: the sleeping gypsy. there are many subjects in the painting: the painting is called the sleeping gypsy. in the painting: the sleeping gypsy, the artist painted a lion, gypsy, and the moon.