John: Come in.... Hullo, Colin!
Colin (coming in): Hullo.... Hullo, Gwen. Good afternoon.
John: Have some tea? It’s quite cold.
Colin: No, thanks.
Gwen: I’ll make some in a moment.
Colin: You’ve had yours....
Gwen (rising): I’ll make some more.
Colin: No. Don’t you go.... (To John.) Can you make tea?
John: Yes.
Colin: I’ll have some if you make it.