Huangtu Village, as long as he is no more than 25 years old, is a student of Teacher Xin. None of the people in the village do not know Teacher Xin. Zhao Da knows Teacher Xin. Li Lan of Huangtu Village is Zhao Da's wife. Only graduated from elementary school at the age of 14. From this we can infer:. ['Zhao is not from Huangtu Village.', 'Li Lan is a student of Teacher Xin.', 'Zhao is from Huangtu Village.', 'Zhao is not a student of Teacher Xin.']