Drop down boxes for both have choose one:A or B

In a study of pain relievers, 50 people were given product A, and all but 16 experienced relief. In the same study, 20 people were given product B, and all but 9 experienced relief. Fill in the blanks below to make the most reasonable statement possible. OO Product (Choose one) v performed worse in the study. That is because % failed to get relief with this product, X whereas only % failed to get relief with Product (Choose one) V D