[NoPiece]

Most people could differentiate them, but wouldn't be able to identify the higher quality wine.

[barrkel]

Burgundy pinot vs new world pinot? If they're a fan, they'd have little trouble spotting the Burgundy.

[NoPiece]

I agree, but the parent said average person, so I was thinking of someone less experienced.

[Godel_unicode]

This is exactly the problem; studies are done where random person who has a glass now and then can't tell food-coloring altered white from red, readers see "nobody can tell wines apart".