15985
 On Tuesday , two British soldiers were killed after their patrol was attacked with rocket-propelled grenades and automatic rifle fire in the Sangin district , a Taliban stronghold in Helmand Province in the south . '' 
 location contains: Helmand Province, Sangin
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:  Helmand Province, Sangin 
Answer:
 location contains: Helmand Province, Sangin