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Despite the growth in business problems remain including low efficiency and high costs said  Wu Dingfu  head of the  China Insurance Regulatory Commission  the industry watchdog at the conference .
 top members employees: Wu Dingfu, China Insurance Regulatory Commission
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:
 top members employees: Wu Dingfu, China Insurance Regulatory Commission