33606
Walking through the industrial interiors of Plant Vogtle and of Grand Gulf , a nuclear plant I visited in Mississippi , I had the odd sensation of being in the hold of an immense freighter , bound for somewhere .
 location contains: Mississippi, Grand Gulf
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:  Mississippi, Grand Gulf 
Answer:
 location contains: Mississippi, Grand Gulf