1130
1990 : Soviet President  Mikhail Gorbachev  indicates that the  Communist Party  must abandon its monopoly on power .
 Mikhail Gorbachev, Communist Party
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:
 Mikhail Gorbachev, Communist Party