A unit of Xiao Zhang, Xiao Wang, Xiao Li, Xiao Zhao work together in the personnel office  All four of them are dedicated and excellent at their work  At the end of this year, the Personnel Office needs to recommend two comrades to participate in this year's Excellent Employees selection
After consultation, the personnel office finally determined the recommended candidates are Xiao Zhang and Xiao Li
There are at most two excellent employees in the personnel department this year