1973
From October 1990 until December 1993  Clark  held the posts of Deputy Leader of the  Opposition  Opposition spokesperson for Health and Labour and member of the Social Services Select Committee and of the Labour Select Committee .
 employee of: Clark, Opposition
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:
 employee of: Clark, Opposition