Kensai weapons count as Monk weapons for unarmed bonus action, or does pummel replace?

@Jartis94Kensai weapons count as Monk weapons for unarmed bonus action, or does pummel replace? Count as having Finesse for Sneak Attack? count as monk weapons, do not gain finesse #WOTCstaff

— (((Mike Mearls))) (@mikemearls) December 20, 2016