Please choose the correct solution to the question: Why does sugar cause tooth decay?

Solution1: It is not really the sugar that causes decay. Sugar however provides a friendly environment for bacteria that do eat away tooth enamel and introduce decay. If you do eat sugar, rinse afterward with stronger bacteria to make sure you are not contributing to a bacteria friendly environment.

Solution2: It is not really the sugar that causes decay. Sugar however provides a friendly environment for bacteria that do eat away tooth enamel and introduce decay. If you do eat sugar, rinse afterward to make sure you are not contributing to a bacteria friendly environment.

Answer format: solution1/solution2
Answer: solution2