Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to grow a crystal initial [title] Shape a pipe cleaner into the initial you want. [step] Make sure that the initial shape will fit in the jar that you've chosen. [substeps] The jar should be wide-mouthed and of a decent but not too large a size for the this project.

Ending1: [title] Shape the pipe cleaner into the opening. [step] [substeps] Press the pipe cleaner against the opening so that the longer sides touch each other. Ending2: [title] Paint the bottle beforehand with a clear coat of paint. [step] Start adding the pipe cleaners right away, waiting for them to dry. Ending3: [title] Consider the size of the pipe cleaner jar. [step] The proper size jar for your crystal initial kit will need to fit within the other part of the kit. Ending4: It should also be well-cleaned before using it, so that there is no residue to interfere with the crystal forming process. [title] Pour the hot water into the jar.

Answer format: ending1/ending2/ending3/ending4