1188
The NPI was founded on 15 December 2010 both as an alternative to the centre-right coalition between The People of Freedom and Lega Nord led by Silvio Berlusconi and to the  centre-left  coalition between the Democratic Party and Italy of Values led by  Pier Luigi Bersani  .
 employee of: centre-left, Pier Luigi Bersani
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: centre-left, Pier Luigi Bersani