8453
On 5 December Tremonti on behalf of 3L signed a political pact with  Roberto Maroni  leader of  Lega Nord  ( LN ) .
 employee of: Roberto Maroni, Lega Nord
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: Roberto Maroni, Lega Nord