14343
For two hours tonight , Israeli helicopters and ships fired missile after missile on Gaza , with 50 missiles in all , hitting police buildings , Palestinian security buildings , several offices of Yasser Arafat 's political organization .
 two hours, tonight, Israeli, Gaza, 50, Palestinian, Yasser Arafat 's
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 two hours, tonight, Israeli, Gaza, 50, Palestinian, Yasser Arafat 's