Mercer! [Her fellow Potions prof greets her, smiling pleasantly.] And how are you finding our stony shores? I'm afraid we don't have any ... what is it you people drink? Coffee?

[Rhys knows full well what coffee is, lots of people here drink it, and there probably is some around, somewhere, too. His accent is lilting, quite pleasant, actually, and very, very Welsh, not English at all.]