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Thatcher  then leader of the opposition  Conservative Party  is shown battling for a more public role in celebrations to mark 50 years since women got the vote in secret files only just made public .
 employee of: Thatcher, Conservative Party
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Thatcher, Conservative Party 
Answer:
 employee of: Thatcher, Conservative Party