Now suppose we want to use color to represent the different regions. In this case which of the following is most appropriate: A. Adding a column called color to murders with the color we want to use....

Now suppose we want to use color to represent the different regions. In this case which of the following is most appropriate:

A. Adding a column called color to murders with the color we want to use.

B. Because each label needs a different color we map the colors through the color argument of aes .

C. Use the color argument in ggplot.

D. Because we want all colors to be blue, we do not need to map colors, just use the color argument in geom_label.