Please choose the correct solution to the question: How to turn pear slurry into a sauce?

Solution1: Mix the slurry with some cognac or vermouth in a saucepan and let it simmer, continue to reduce until a thick sauce forms

Solution2: Mix the slurry with some cognac or vermouth in a saucepan and let it boil, continue to reduce until the sauce completely disappears

Answer format: solution1/solution2