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At the same time , British commanders in Afghanistan say they have requested further equipment to fight insurgents in southern Helmand Province , where five British soldiers have been killed in recent weeks , two of them over the weekend .
 Afghanistan, Helmand Province; Helmand Province, Afghanistan; Afghanistan, Helmand Province
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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} 
Answer:
 Afghanistan, Helmand Province; Helmand Province, Afghanistan; Afghanistan, Helmand Province