pepsicola PK cocacola,which one you like more?

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In 1972, the beverage research hold in north american showed only 4% people drank pepsicola,but cocacola,18%.however,in the 80' of 20c,the percentage had changed that people who drand pepsicola was up to 11% and cocacolar was down to 12%. Now,pepsicolar and cocacolar,which one you like better? to me,i prefer cocacola for it is not so sweet as pepsicola.