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Matthias Chang a Barrister was Political Adviser to Tun Dr.  Mahathir bin Mohamad  former Prime Minister of  Malaysia  who succesfully defended the Malaysian currency in the late 1990s against attacks by City of London-controlled central banks .
 Mahathir bin Mohamad, Malaysia
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Mahathir bin Mohamad, Malaysia