This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to make toum
Ensure all items are at room temperature, and that your tools are clean and dry.
Water is your enemy here, and even very little of it can cause your emulsion to fail.
Put salt, pepper, and garlic into food processor bowl.

1). Pulse until garlic is finely chopped and well mixed with the salt, stopping occasionally to scrape the mixture to the center of the bowl. ! Do not rush the processing of the garlic with the salt.; 2). Mix until it reaches a paste consistency. If you have a large quantity of these things in your bathroom, you should refrigerate them until you're ready to remove them.; 3). A reliable method is to add 2-3 teaspoons of salt for every quart of water. Turn the food processor on medium-high power and puree well.; 4). If you don't have salt, then use fresh sea salt instead. Put a few drops of lemon juice, onion, garlic powder, and three tablespoons of butter into food processor bowl.;
The answer is:
1).