Hi im stuck on the below question could i get a push in the right direction?

Hi im stuck on the below question could i get a push in the right direction?

7. Consider two groups of goods, A and B. Group A consists of Toyota cars and Westinghouse refrigerators. Group B consists of Huggies nappies and McDonald's Big Macs. Briefly explain whether the sale of the goods in group A or B will fluctuate more during the business cycle relative to real GDP.