Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make colorful macarons [title] Blend the sugar and almond flour for 30 seconds or until combined. [step] Measure out the confectioner' sugar and the almond, preferably with a kitchen scale, and add them into a food processor. Pulse them for a few seconds until they are completely blended.

Ending1: [title] Add the macarons and the almonds and continue blending the mixture for a minute to 2 minutes. [step] Remember, you'll be blending the macarons later. Ending2: [substeps] You can use a spoon to quickly mix the sugar in; however, with enough gentle pulsing, the lumps should form a fine crumbs. [title] Whisk in in the milk and bread crumbs and mix again. Ending3: [substeps] You can also do this with a blender. [title] Sift the almond-sugar mixture. Ending4: You may need to blend them a second time or blend the ingredients through slower until the mixture is creamy. [substeps] If you don't have a food processor, use an ice cube tray or other metal container that will slow down the process.

Answer format: ending1/ending2/ending3/ending4