Five undergraduate students, Xiaohua, Xiaofeng, Xiaoming, Xiaogang and Xiaoqiang, live in a dormitory. When determining the instructor of the thesis for the academic year, they will be assigned to one of Mr. Zhang, Mr. Wang and Mr. Li respectively. Mr. Zhang only studies ancient literature, Mr. Wang only studies lexicology and ancient philology, and Mr. Li only studies syntax and lexicology. Each instructor can guide up to two people, and each student is interested in only one research direction of the assigned instructor. It is known that: (1) Xiaofeng and Xiaogang were assigned to Mr. Wang; (2) Xiao Hua was assigned to Mr. Li.
If each student is assigned to the instructor according to his or her own interests, Xiaoming is interested in lexicology and Xiaoqiang is interested in ancient literature does not conform to the statement of the subject.