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In 1985 during Sailor's quieter times  Serpell  became a Chemistry teacher at  Waingels Copse Comprehensive School  ( now Waingels College ) where he became head of the department .
 employee of: Serpell, Waingels Copse Comprehensive School
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: Serpell, Waingels Copse Comprehensive School