Single/multi-choice problem: Which of the following solutions is better for the following goal:
To feed the sourdough starter,

Available choices: -Remove all but one tablespoon starter from its jar, add 1/3 cup water and 1/3 cup soap, and stir with a spoon.. -Remove all but one tablespoon starter from its jar, add 1/3 cup water and 1/3 cup flour, and stir with a spoon..
Remove all but one tablespoon starter from its jar, add 1/3 cup water and 1/3 cup flour, and stir with a spoon.