Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to make natto [title] Wash the soybeans. [step] For the natto, you'll need 4 cups (800 g) of soybeans. Place the beans in a colander or strainer, and rinse them thoroughly under cold water in the sink.

Ending1: Shake off any excess water so that the beans won't be mixed. [substeps] The soybeans don't need to be finely chopped, as long as they're mixed in well. Ending2: Let them soak for 1 to 3 minutes, or until the water runs clear. [substeps] This recipe makes approximately 1 cup of virgin natto. Ending3: Rinse the beans well with cool water and drain the colander before proceeding. [substeps] If you don't have a colander, soak the soybeans in clean water for five minutes. Ending4: Shake the beans well afterward to remove the excess moisture. [substeps] As you rinse the soybeans, remove any shrunken or discolored beans.

Answer format: ending1/ending2/ending3/ending4