When we are about to graduate, a class needs to select outstanding graduates, and the class is under discussion. Leader: either Li Xue is rated as an outstanding graduate, or Wang Lei is rated as an excellent graduate. Branch secretary: I do not agree. Which of the following accurately expressed the opinion of the party branch secretary? ['Li Xue and Wang Lei were both awarded as outstanding graduates.', 'Neither Li Xue nor Wang Lei can be rated as outstanding graduates.', 'Either Li Xue and Wang Lei were rated as outstanding graduates, or Li Xue and Wang Lei were not rated as outstanding graduates.', 'Li Xue is rated as outstanding graduate, Wang Lei cannot be rated as outstanding graduate.']