7709
 When Wolfgang Panofsky , the former director of the Stanford accelerator , first visited China in 1976 in the wake of the Tangshan earthquake that killed hundreds of thousands , and after the deaths of Mao and Zhou , he was struck by the desire of the Chinese people to carry on , even though many were living in tents in the streets . 
 location contains: China, Tangshan
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:  China, Tangshan 
Answer:
 location contains: China, Tangshan