What is the colour change of a universal indicator when mixed with raw cow's milk?

The only thing that qualifies as a universal indicator is a pH indicator, which is simply a solution of several compounds that displays only minor, smooth colour changes over a pH range of 1 to 14, showing the acidity or alkalinity of solutions.

Thymol blue, methyl red, bromothymol blue, and phenolphthalein are the primary contributors to a universal indicator in solution form. As each component loses or acquires protons depending on how acidic or alkaline the solution is after being tested, this mixing is necessary. Red cabbage juice is a prime illustration of a universal indication.
In the presence of a neutral chemical, it turns green. Raw cow's milk is neutral because it has neither acidic nor basic effects on the body. As a result, when the universal indicator is combined with raw cow's milk, it turns green.
Pasteurization and homogenization are not applied to raw milk. In addition to cows, it also comes from goats, sheep, buffalo, and even camels. Raw milk is a nutrient-dense beverage that has numerous positive health effects. It is brimming with priceless, necessary nutrients including calcium, vitamins, good fats, minerals, and iron. Additionally, it's a fantastic source of raw protein.

Hence, the correct answer is option A.