16013
In Montana , Idaho and Wyoming , there is the recurring danger of a volcanic eruption at Yellowstone National Park , while in Florida , attention has turned anew to cleaning up Lake Okeechobee , which sends polluted water into nearby rivers during heavy rains and floods .
 location contains: Florida, Lake Okeechobee
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:  Florida, Lake Okeechobee 
Answer:
 location contains: Florida, Lake Okeechobee