Description: Kang Liang in the Reform Movement of 1898 refers to Kang Youwei and Liang Qichao. Kang Youwei is from the South China Sea, so he is called Kang Nanhai, and Liang Qichao is a Xinhui, so he is called Kang as a teacher and Liang as an apprentice. Therefore, the riddle "Kang Nanhai" refers to Kang Youwei, and the word "Youwei" is among them; The riddle "The South China Sea is not a sea" refers to Kang Nanhai, and "the teacher of the new club" refers to Liang Qichao's calling Kang Youwei a teacher, so it is also closely related to Kang Youwei. The answer is only two words, so it is "promising".