17892
 Chimamanda Ngozi Adichie 's new novel , '' Half of a Yellow Sun , '' takes place in her native Nigeria during the late 1960 's and early 70 's , when civil war erupted as the eastern state of Biafra attempted to break away and was then forced into submission . 
 nationality: Chimamanda Ngozi Adichie, Nigeria
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Chimamanda Ngozi Adichie, Nigeria 
Answer:
 nationality: Chimamanda Ngozi Adichie, Nigeria