Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to serve plum wine [title] Place a glass in the freezer for about an hour. [step] After an hour, the glass should have a slight frost on it. The frost and the coldness of the glass will help keep your plum wine cold as you drink it.

Ending1: [substeps] Avoid ice that is already chilling when you mix plum wine with alcohol. On the other hand, don't chill the entire glass, separating it into 3 parts. Ending2: [substeps] If you don't want to chill your glass, you don't have to. However, without chilling your glass, your plum wine will warm more quickly. Ending3: [title] Remove the cold glass from the freezer and place it into the fridge. [step] Follow package directions for how you plan to serve the plum wine. Ending4: [substeps] Be sure that you have a sturdy freezer container. You may need a rack inside to prevent jars from rupturing.

Answer format: ending1/ending2/ending3/ending4