When poured onto cereal, what is milk?

A. a beverage
B. a broth
C. a sauce

via this video

This seemingly simple question led to a massive debate last night. I heard many different theories but yet none seem to convince me of either choice. So what do you think? Are you Team Beverage, Team Broth, or Team Sauce?

Please plead your case for whichever you choose. Let’s get ready to rumble!