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 Israel carried out airstrikes in the Gaza Strip early Sunday and gathered ground forces just outside Gaza 's borders , while the defense minister threatened a forceful response to an overnight rocket barrage by the Islamic faction Hamas . 
 country capital: Gaza Strip, Gaza
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 country capital: Gaza Strip, Gaza