The administrative staff and teachers of the history department of a university, including A. are 16 in total. The situation of the faculty and staff in the department mentioned below, whether or not A is counted, will not change. Middle: ⑴ more teachers than administrative staff; ⑵ more male administrative staff than male teachers; ⑶ more male teachers than female teachers; ⑷ at least one female administrative staff. So which of the following is the gender and position of A? ['Female teachers.', 'Male administrative staff.', 'Male teachers.', 'Female executives.']