Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to create shaving cream rain clouds [title] Fill a clear, glass container ¾ of the way with cool water. [step] You can use a cup, bowl, vase, or jar, but make sure that it is clear. This will allow you to see the rainstorm later on.

Ending1: [substeps] Make sure that the container is glass or plastic. You do not want condensation forming on the outside of the container as the rain pours into it. Ending2: [substeps] If you don't have a clear glass container, use two glass bowls instead: one for basic hygiene purposes and one for more serious acts like washing your face. [title] Add shaving cream, buttermilk, or yogurt. Ending3: Avoid using anything with a narrow opening, however, or you will have a hard time adding the shaving cream. [substeps] This is a great project for teaching kids about rain. Ending4: [title] Put a small amount of water on a coin-sized amount of wax paper or paper towel. [step] You can use pink, clear, or even yellow paper.

Answer format: ending1/ending2/ending3/ending4