2557
He had three daughters including the Italian Canadian journalist Dara Kotnik Mancini and Ivanka Kotnik mother of the Italian politician  Walter Veltroni  former Mayor of Rome and former president of the  Democratic Party  .
 top members employees: Walter Veltroni, Democratic Party
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:
 top members employees: Walter Veltroni, Democratic Party