Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make jawbreakers [title] Mix the sugar and water in a pot. [substeps] Stir until the sugar is uniformly moist. If you can, use filtered water for your jawbreakers.

Ending1: [title] Crumble the self-rising sugar. [step] There should be small pieces of sugar in the pot that stick to the bottom. Ending2: When the water has boiled, you can stir until the sugar dissolves. Then add the flour and stir until the water dissolves. Ending3: If you like, you can substitute coconut oil if you don't have room to store them, though it generally sells without added oils. If you don't have a thermometer, consider placing just 1/3 of the water in a saucepan over medium heat. Ending4: While unfiltered tap water will work fine, the tap water in some areas has a subtle aftertaste that can very slightly affect the flavor of the final product. [title] Heat over a stove burner set to " high.

Answer format: ending1/ending2/ending3/ending4