Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to carbonate a beverage [title] Place the entire amount of beverage in a large container that has a tight lid or cover. [title] Get dressed in a long-sleeved shirt, pants, gloves, shoes, etc. [step] The goal is get covered up since dry ice can burn your skin [title] Punch several small holes in the lid of the container so that the extra carbon dioxide can escape the container.

Ending1: [title] " needlessly " cut another large hole through the lid using a razor or scissors. [title] Put your unopened drink in the container. Ending2: [step] Aim the hole into the seam of the lid. [title] Soak bags in dishwasher salt mix until filled with salt. Ending3: [step] Make sure there is enough room in your container to accommodate the appropriate amount of ice. [title] Take the container outside, since the process could get messy. Ending4: [step] Air will run to your face if the container is properly sealed. [title] Find a room with a temperature between 110 ° f (32 ° c) and 100ºf (16ºc).

Answer format: ending1/ending2/ending3/ending4