35394
A string of attacks in central Iraq killed at least 20 people , including 10 Shiite worshipers , who died when a bomber on a bicycle blew himself up in the courtyard of their mosque in Balad Ruz .
 location contains: Iraq, Balad Ruz
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:  Iraq, Balad Ruz 
Answer:
 location contains: Iraq, Balad Ruz