5489
In addition to their daughters she also became the step mother to his children by his second wife  Archduke Franz Ferdinand of Austria   Archduke  Otto Franz of Austria Archduke Ferdinand Karl of Austria and Archduchess Margarete Sophie of Austria .
 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: Archduke Franz Ferdinand of Austria, Archduke