Deputy Secretary Zhang: "I suggest that at least one of Xiao Wang and Xiao Zhang be promoted. " Secretary Li: "No. ". If Secretary Li's opinion is conveyed to the relevant departments, which of the following is the following accuracy? ['Both Xiao Wang and Xiao Zhang are promoted.', 'Xiao Wang and Xiao Zhang promote at least one person.', 'Xiao Wang and Zhang are not promoted.', "If you don't promote Xiao Wang, promote Xiao Zhang."]