Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make cheese pizza [title] Activate your yeast in warm water. [step] Add your yeast and sugar to the water (it should feel warm to the touch, but not warm enough to burn you) and lightly stir it. Let it sit for 6-7 minutes, until you see small bubbles forming at the surface of the water.

Ending1: [title] Pour the cream cheese into a mixing bowl. [step] Alternatively, you can skip this step and simply pour the cream cheese into the bowl, not into the dough, when ready. Ending2: [substeps] Activating the yeast is feeding it--it eats the sugar and drinks the water. The bubbles are carbon dioxide made when the yeast " breathes. Ending3: Stir the water in again with a fork or ladle to avoid adding too much sugar. [substeps] Do not melt butter in your water. Ending4: This indicates that your yeast is fully activated. [substeps] If you still see bubbles forming, add more water.

Answer format: ending1/ending2/ending3/ending4