Context: It turned the water very deep indigo . When several more rinses failed to show a decrease in the amount of dye loss , I tried a vinegar rinse . That water came up clear , so assuming the problem was arrested , I got one more pan of cool water to rinse some of the vinegar smell from the shawl .
Question: Why was the narrator using vinegar ?
Option 0: To deal with the cooking .
Option 1: None of the above choices .
Option 2: To deal with issues with color in clothing .
Option 3: To make the food item more bitter .
Answer: 2