Which of the following would likely cause the CPI to rise more than the GDP deflator?

a$.$ An increase in the price of domestically produced fighter planes sold exclusively to Israel

b$.$ An increase in the price of John Deere tractors

c$.$ An increase in the price of Ford automobiles

d$.$ An increase in the price of BMW automobiles produced in Germany and sold in the United States

e$.$ An increase in the price of military aircraft purchased by the U$.$S$.$ government