5114
[ 2 ] In addition to lawsuits filed against the National Security Agency ( NSA ) [ 3 ] and the Central Intelligence Agency ( CIA ) [ 4 ] Schwarz has filed suits against the  Internal Revenue Service  ( IRS ) [ 5 ] and the  United States Department of the Treasury  .
 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: Internal Revenue Service, United States Department of the Treasury