Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to make a simple weather barometer [title] Cut the neck off of a balloon. [step] Using scissors, just snip the end of the balloon right off. There's no precise place to make the cut.

Ending1: You just want to make sure that the opening will be large enough to fit over the mouth of your jar. [title] Stretch the balloon over the top of a jar. Ending2: Instead, cut away the bottom of the balloon to make sure it won't snap. [substeps] For this method, line the cut-off side with duct tape. Ending3: You will be cutting just the two ends of the balloon, and those are the only places where you will be able to get to the barometer. [substeps] A small jaw saw works great to cut the neck off the balloon. Ending4: [substeps] Leave the neck about six inches (15 cm) off the balloon, as this will help keep the rain off. Remove any ribbon that's been wrapped around the bottle or cap.

Answer format: ending1/ending2/ending3/ending4