Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to prepare idli batter [title] Rinse the idli rice 3 or 4 times in cold water. [step] Measure 4 cups (700 g) of idli rice into a large bowl and fill it with cold water. Use a spoon or your hand to swish the rice around.

Ending1: Keep swishing until the rice is thoroughly coated with the batter. [substeps] Rinsing the rice thoroughly is not necessary for idli. Ending2: Drain the water out and pour clean water into the bowl. Continue to swish and drain the water until it's clear. Ending3: Then, use a spoon to gently scrape off the salt and all the lumps. [substeps] If there is any rice in the bowl before rinsing it, sprinkle 1 teaspoon (7 g) of salt into the rice. Ending4: Keep swishing it until it dissolves completely and comes out slightly foamy. [substeps] The water will get rid of any starchy chunks that may be clinging to the rice during cooking.

Answer format: ending1/ending2/ending3/ending4