16190
Israel , of course , says that the Palestinian security forces worked hand in hand with the militants and nearly merged with them , to the point that Israel felt that it had to send the army back into Palestinian areas like Nablus in the spring of 2002 .
 location contains: Israel, Nablus; location contains: Israel, Nablus
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:  Israel, Nablus; Israel, Nablus 
Answer:
 location contains: Israel, Nablus; location contains: Israel, Nablus