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UNRWA was set up fifty years ago and offers assistance in the field of education , health and social services to about 1 . 6 million Palestinian refugees in Jordan , the West Bank , Gaza Strip , Lebanon and Syria .
 Palestinian, Jordan, Lebanon, Syria, UNRWA, about 1 . 6 million Palestinian refugees in Jordan , the West Bank , Gaza Strip , Lebanon and Syria, the West Bank, Gaza Strip
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 Palestinian, Jordan, Lebanon, Syria, UNRWA, about 1 . 6 million Palestinian refugees in Jordan , the West Bank , Gaza Strip , Lebanon and Syria, the West Bank, Gaza Strip