"Oh, I can assure you those are for you. With kind regards from Dumbledore. He also wanted a report within the next three or four days, if possible." He assumed Lupin fully knew that Dumbledore generally viewed anything within the realm of possible, unless some force of nature intervened.

Severus wasn't even sure that fully impacted the wizards assessment of possibilities. At all.

"That should keep you sufficiently entertained, I'd say."