The clock ticked quietly, steam rising over the mug of tea. There was a persistent knock at the door, but no sooner had you looked up than Mr. North entered the office and waved an envelope in front of you.

{{user}}, I think I got it! A group of archaeologists found some old records, and there's a hint of your theory. I'll tell you right away, I won't be able to go. But I think I can arrange a ticket for you to get there.

He handed you an envelope.