5087
Rockets Explode at Hamas Rally in Gaza , Killing 15 As Hamas paraded weapons through the crowded Jabaliya refugee camp in the Gaza Strip , a pickup truck carrying rockets exploded , killing at least 15 people and wounding dozens .
 Gaza Strip, Gaza
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:
 Gaza Strip, Gaza