"Bedstemoren drikker vin af en brun kop."

Translation: The grandmother drinks wine from a brown cup.

[PatrickDaSilva]

That's the dream isn't it! No glass, just a cheap supermarket wine in a brown plastic cup. 8)

[octavi.ers]

Vikings are great drinkers, so are their grandmothers, natùrlich!!!

[LucBE]

Og manden drikker når kvinden kigger væk. Alcoholism seems to be a problem on Duolingo.

[Vililingo]

Could you also say :
Bedstemoren drikke vin FRA en brun kop? or is FRA only for location (Jeg kommer fra Danmark)

[LucBE]

Can you use 'kop' for a plastic cup? In dutch (and german too, I think) there is a differencee

[M.Ugatu]

"Kop" is used for any material except glass.