Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make a soap carving [title] Choose a bar of soap. [step] Any soap will do, but the harder the soap, the more difficult it will be to cut. On the other hand, if it is soft instead of firm, it will be more likely to crumble.

Ending1: If it is firm and thin (dry only), use a bar of soap at a low temperature for at least one to two days. [title] Add the soap, and cold water, to a medium-sized pot. Ending2: [substeps] You can use an entire bar of soap, or a large amount, to make a manmade soap carving. Smaller bars of soap can be detailed in this article. Ending3: Make sure you use a bar of soap that is not super-flammable or hot (ordinary soaps cannot produce heat). You will use it in your soap carving if you are going to sell it or you simply want to make an awkward bar of soap. Ending4: Rectangular soap is easier to cut for beginners than round soap. The color you use is up to you and your project idea.

Answer format: ending1/ending2/ending3/ending4