In terms of the individuals who we've been counting as Yazidi, they're people who have self-identified and who have come through the UNHCR referral process as Yazidi. I'm not aware, of the folks who have been referred to us, of any other group of people who didn't want to identify themselves. I'm not aware of that being a particular challenge. We have the numbers because people self-identified.
On November 7th, 2017. See this statement in context.