Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make brick oven pizza [title] Pour 1 cup of water in a large bowl. [step] Spread the yeast and allow it to stand for 5 minutes. [title] Stir in the 1 cup of cold water and sprinkle the salt.

Ending1: [title] Add 1 cup of bread flour and stir. [step] Add 1 more bread flour and stir again, and for the last time, add the remaining bread flour and stir until the bread flour doesn't stick onto the bowl anymore. Ending2: [step] Stir again using the same soup spatula and set it aside. [title] Chop 3 medium carrots and 2 medium onions. Ending3: [step] Mix everything together slowly with a wooden spoon. [title] Pour in the egg yolks, when warm. Ending4: [step] Mix well until the dough forms into a ball. [title] Pour flour into the dough ball and knead it up gently.

Answer format: ending1/ending2/ending3/ending4