2553
Early groups of Ulivists were formed in 1995 1996 during the campaign for the 1996 general election by close supporters of  Romano Prodi  who as him were not members of any party of  The Olive Tree  .
 None
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:
 NA: Romano Prodi, The Olive Tree