Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make rhubarb pie [title] Chop the fresh rhubarb into one-inch pieces, stopping about an inch from the leaves on top. [step] Pie fillings are surprisingly simple, as sugar and salts help draw out moisture to create the gooey liquid and tender rhubarb that you're hoping for. [title] Combine all remaining ingredients in a mixing bowl and toss to coat.

Ending1: [step] For the icing, you'll need one serving of rhubarb. For an even smoother filling, you'll need more rhubarb. Ending2: [step] As the rhubarb is agitated, the white skin cells immediately need to absorb the resulting liquid. [substeps] Use a fork to crush the rhubarb, sprinkling it evenly over the pie. Ending3: [step] You can use any combination of spices that make your rhubarb pie. Popular combinations include dill, ghee, pepper, and garlic powder. Ending4: [step] This helps the flavors blend and meld and the water to slowly suction out of the rhubarb, softening it. [title] Refrigerate the mixture for 20-30 minutes.

Answer format: ending1/ending2/ending3/ending4