premise: How to Clean Ketchup, Pasta Sauce, or Barbecue Sauce off a Carpet
hypothesis: Use a butter knife to remove excess. Decide how to treat the stain.     Dab some lukewarm water on the stain if it has dried. Prepare the calcium water solution. Test any cleaning solution in the middle of the fabric. Apply the cleaning solution to the stain. Massage the cloth with a spoon.Rinse the stain.Remove excess liquid. Dry the carpet.