Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to cook soybeans [title] Rinse the soybeans with cold water. [step] Fill a bowl with water, then add the beans. Gently rub the beans together with your fingers to get rid of any dust.

Ending1: Use a powdered soybeans cooking liquid to replace all of the water. [substeps] Use paper towel to gently pat the soybeans dry. Ending2: Allow the soybeans to dry for at least 30 minutes, as moisture can build up on the soybeans. [substeps] Remember to dry beans in 3-6 hours, or until they are soft. Ending3: Pick out any discolored or misshapen beans loose hulls, or grit. [substeps] You must pre-soak dried soybeans. Ending4: Sieve out the pan and place them in the strainer. Close the strainer and pour the soybeans through it, then discard the strainer.

Answer format: ending1/ending2/ending3/ending4