13897
Relay teams of mushers raced nonstop from Nenana in central Alaska to Nome on the Seward Peninsula with the serum that fought the deadly outbreak .
 location contains: Alaska, Nenana
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Alaska, Nenana 
Answer:
 location contains: Alaska, Nenana