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From 1841  Schroeder  was a pupil of the Friedrich-Wilhelm-Gymnasium in Trier one of Germany's oldest institutions of secondary education from which  Karl Marx  had graduated in 1835 .
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Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 NA: Schroeder, Karl Marx