[rileymat2]

It is not straightforward, psychology plays a big part in perception. https://www.seriouseats.com/coke-vs-mexican-coke#toc-what-do...

> Regardless of what was actually in the serving containers, people stuck by their original choice. Those who preferred what really was the Mexican Coke the first time (we'll call these guys the Mexico Boosters) unanimously picked the Coke that I told them was the Mexican Coke the second time, whether it really was or was not. Even when the containers were completely removed from the test and the Coke was served in plastic cups, the Coke labeled as Mexican was picked by the Mexico Boosters every time.