Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to make blueberry banana muffin mix in a jar [title] Clean a 1 quart wide mouth canning jar. [title] Layer the ingredients. [step] Be sure to follow the list from top to bottom; start off the layers with the baking soda first and flour last.

Ending1: Keep your canning space slightly damp by pouring water into it beforehand. [title] Peel, slice, and mash the coconut. Ending2: [substeps] Ensure that all ingredients fit in the jar; always be sure to firmly press each one down before adding the next one. You can use the back of a spoon to achieve this. Ending3: After the first set of layers, cover the jar with lid to add the dry ingredients. [title] Attach a spout at the top of the jar with a rubber band. Ending4: [title] Label the bottom with the contents of the jar. [step] Write the contents down in a fancy script so that you know what the yolks looks like.

Answer format: ending1/ending2/ending3/ending4