Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to thicken paint [title] Buy a thickening agent. [step] You can buy a thickening agent for your paint from a local home improvement store. Most thickening agents for latex paint are made with water-soluble hydroxyethyl cellulose which works well with the latex.

Ending1: You may want to select a thickening agent that appeals to a specific type of latex or polymer you've used before. [substeps] You can make your own thickening agent by taking approximately 1 cup (240 ml) of water and mixing it in with a pinch of salt. Ending2: In addition, polyvinyl thinner tends to be stronger. [substeps] Polyvinyl thinner is very good for coloring as it prevents streaks when the paint is applied. Ending3: [substeps] Make sure the thickening agent says it works with latex paint. [title] Add the thickening agent to the paint. Ending4: [title] Choose a mold for your latex paint. [step] If you want to create a fun latex painting, choose a mold that is easy to print.

Answer format: ending1/ending2/ending3/ending4