Please choose the correct solution to the question: how to make butter in a mason jar

Solution1: Pour heavy cream into the mason jar, filling it half-way full. Screw the lid on.    Shake mason jar for approximately 5-7 minutes. After the first 2 minutes you'll have whipped cream. Keep shaking until you hear that a lump has formed inside, and shake an additional 30-60 seconds after that.Remove the solids from the jar. The remaining liquid is buttermilk. You can save that for other recipes, or discard it. Place the solids into a small bowl. Pour cold water over the butter and use your hands to squish it into a ball. next heat in microwave

Solution2: Pour heavy cream into the mason jar, filling it half-way full. Screw the lid on.    Shake mason jar for approximately 5-7 minutes. After the first 2 minutes you'll have whipped cream. Keep shaking until you hear that a lump has formed inside, and shake an additional 30-60 seconds after that.Remove the solids from the jar. The remaining liquid is buttermilk. You can save that for other recipes, or discard it. Place the solids into a small bowl. Pour cold water over the butter and use your hands to squish it into a ball. you now have butter

Answer format: solution1/solution2
Answer: solution2