Please choose the correct solution to the question: How to see if a cake is done.

Solution1: Many bakers just use a simple toothpick. If you insert it into the center of the cake, it should come out clean, with no streaks of batter.

Solution2: Many bakers just use a simple toothpick. If you insert it into the center of the cake, it should come out with streaks of batter on the toothpick.

Answer format: solution1/solution2