Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make a coke float [title] Fill a glass 3/4 with cola. [step] Set the glass on small plates so you can catch the overflow from the fizz. Pour the soda slowly to keep it from overflowing.

Ending1: [title] Fill a shot glass with cold water. [step] Empty out all the soda except for the 2 soda pieces. Ending2: If you use a glass size, experiment a little. Strain the soda through an ice cube tray to get the bubbles. Ending3: [substeps] If your glass seems irresponsibly sized, you may need to consolidate several glasses to make it easier to hold the soda. Make sure to fill the glass almost to the top. Ending4: [substeps] For best results, start with chilled soda. You can also chill your glass by setting it in the freezer for about 10 minutes beforehand.

Answer format: ending1/ending2/ending3/ending4