Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make cake mix [title] Sift dry ingredients. [step] Place the all purpose flour, baking powder, and salt into a sifter or a strainer. Sift into a bowl, eliminating any clumps.

Ending1: [title] Sift the egg white, milk, and sugar into a separate bowl. [step] Crack open the egg white into another container and stir until it dissolves completely. Ending2: [substeps] The flour and salt may both appear crumbly, so a strainer is absolutely necessary for this recipe. Alternatively, use a cheese strainer to collect the dry ingredients. Ending3: [substeps] Sifting helps lighten the flour from where it's been packed down. It also helps to mix the dry ingredients together well. Ending4: [substeps] Use a wire mixing container with a small enough opening to contain the batter. Your bowl should be shallow enough to comfortably transport the cake mix, but wide enough to accommodate the size of your cake mix cups.

Answer format: ending1/ending2/ending3/ending4