Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to bake roman officers' bread [title] Mix the dough ingredients in a mixing bowl. [step] Mix by hand, using a wire whisk. [title] Start to make the fermentation liquid.

Ending1: [step] In a small measuring cup, measure out four ounces of liquid for each person to use. Next, add 1 cup of water and a pinch of salt. Ending2: [step] To do so, use a coffee grinder, an electric mixer with a handle, or a simple appliance mixer. If you have a stand mixer, be sure to check first the power of the appliance before beginning the fermentation process. Ending3: [step] Combine and knead the dough by hand. Continue rubbing it on your hands as you work, until all of the ingredients are absorbed. Ending4: [step] Use a resealable glass/container with a volume of 350 ml (about 1 1/2 cups). [title] Add lukewarm water to a separate bowl.

Answer format: ending1/ending2/ending3/ending4