Please choose the correct ending to complete the given sentence: Youth: [header] How to make ambrosia salad [title] Place the heavy cream and sugar into a large bowl. [step] Place the remaining ingredients into the bowl with the cream mixture. Use a large spoon to combine the ingredients thoroughly.

Ending1: Don't use your mixer or whisk for this part! [title] Whip the cream and sugar until stiff peaks form. [step] Transfer the ambrosia salad to a large glass serving bowl. Ending2: Make sure you are using the right proportions as you need the salad to have a very good consistency. [substeps] If you do not already have the two heavy cream mixtures on hand, see these steps. Ending3: [title] Dip a celery stalk into the deep cream mixture. [step] Place the stalk and celery stalk in the deep cream and sweetness mixture. Ending4: [substeps] If you prefer, you can substitute lemon zest for the heavy cream for the lemon zest. This recipe also works well for garnishing salads.

Answer format: ending1/ending2/ending3/ending4