Input (grade 13): From 1978 to 1980, he served as federal chairman of the SchÃ 1\/4 lerunion, a political high school student organization affiliated with the Christian Democrats.
Output (grade 7): From 1978 to 1980, he served as federal chairman of the SchÃ 1\/4 lerunion. This was a political high school student organization connected to the Christian Democrats.