3124
 What is most frustrating to people like Mr. Guo , whose wife has the disease , is that snail fever was largely eradicated in China during the 1950 's as part of a national campaign ordered by Mao Zedong . 
 nationality: Mao Zedong, China
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: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 nationality: Mao Zedong, China