In order to strengthen the construction of learning organs, the party committee of a certain organ has carried out menu learning activities, and plans to offer five courses, including Administration, Management, Frontier of Science, Logic and International Politics. Its four branches are required to choose two of these courses. It is known that the first branch did not choose management and logic, the second branch did not choose administration and international politics, only the third branch chose scientific frontier. The courses chosen by any two branches are not exactly the same.
the course selection of the fourth branch?
If Administration is not selected, then Management is selected