Please choose the correct solution to the question: What kind of sugar can you use to make royal icing?

Solution1: You can use granulated sugar to make royal icing. Make sure to avoid sifting the sugar to preserve the clumps.

Solution2: You can use powdered sugar to make royal icing. Make sure to sift the sugar first to remove the clumps.

Answer format: solution1/solution2
Answer: solution2