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MediaTek was originally a research and development unit of  United Microelectronics Corporation  or UMC  Taiwan  's oldest chipmaker tasked with designing chips for home entertainment products .
 United Microelectronics Corporation, Taiwan
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:
 United Microelectronics Corporation, Taiwan