13959
 For his book '' Lincoln 's Emancipation Proclamation : The End of Slavery in America '' Simon & Schuster , he is to receive $ 35,000 and a bronze replica of a Saint-Gaudens bust of Lincoln on April 21 at a dinner in Richmond at the Tredegar Iron Works , the Confederacy 's principal cannon factory . 
 location contains: Richmond, Tredegar Iron Works
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:  Richmond, Tredegar Iron Works 
Answer:
 location contains: Richmond, Tredegar Iron Works