Please choose the correct solution to the question: how to make a macaroni salad

Solution1: Whisk 1/2 cup mayo, 3 tablespoons sour cream, dry mustard, sugar, cider vinegar, salt and pepper. Toss with cooked macaroni, sliced celery and red onion, and parsley.

Solution2: Whisk 1/2 cup mayo, 3 tablespoons sour cream, dry mustard, sugar, cider vinegar, salt and pepper. Pressure cook for ten minutes with cooked macaroni, sliced celery and red onion, and parsley.

Answer format: solution1/solution2
Answer: solution1