The requirements for a certain recruitment position: All fresh graduates of English majors who have passed the eighth major in English and have participated in support activities are eligible to apply for the position. Zhang Hua is a fresh graduate of English major in a famous university in Beijing, but is not eligible to apply for the post position. What must be inferred from this? ['Zhang Hua failed the English major eight.', 'Zhang Hua has not participated in teaching activities.', 'If Zhang Hua passed the English major eighth test, then he has not participated in teaching activities.', 'If Zhang Hua has participated in teaching support activities, then he has passed the English major eight exam.']