Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to make a nebula jar [title] Set up your work space. [step] Place down some newspaper, take the lid off of the jar, and make sure the paint is open. [title] Fill up about one third of the jar with water.

Ending1: [step] Let it steep for about 20 minutes or until the water cools down to a murky pink color. [title] Fill up the other third with water. Ending2: [step] The jars will burn so it's a good idea to bring two water bottles with you to start filling your jar. Fill it up to about the bottom with a couple teaspoons of sea salt. Ending3: [title] Put in a few drops of pink paint. [step] Put the lid on and shake the jar until the paint is blended with the water. Ending4: [step] Add one centimeter of cement salt. Put this into a change grinder if you have one.

Answer format: ending1/ending2/ending3/ending4