Wei Wuxian puts a hand on his shoulder and smiles kindly.

"Jiang-gongzi. Just watch them carefully and tell me how they react, as much as you can. Take someone else with you if you'd like a second pair of eyes. Just do your best, you don't have to catch everything but anything you do see will help, do you understand?"

He doesn't need to rush off to deal with the room right this second, so he'll make sure Jiang Mentao knows what he's doing and feels confident about it first.