20831
 At that briefing , Mayor Michael R. Bloomberg announced that the city , which sent 172 police officers to New Orleans on Saturday , was dispatching 150 more officers and 300 firefighters in response to pleas for help from Louisiana and other gulf states devastated by Katrina . 
 location contains: Louisiana, New Orleans
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:  Louisiana, New Orleans 
Answer:
 location contains: Louisiana, New Orleans