18666
 Shenzhen was a sleepy fishing village in the Pearl River delta , next to Hong Kong , when it was decreed a special economic zone in 1980 by the paramount leader Deng Xiaoping . 
 location contains: Hong Kong, Shenzhen
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:  Hong Kong, Shenzhen 
Answer:
 location contains: Hong Kong, Shenzhen