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The explosion comes a month after a bomb exploded at a McDonald ' s restaurant in Istanbul , causing damage but no injuries .
 Istanbul, McDonald ' s, a McDonald ' s restaurant in Istanbul, a bomb
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 Istanbul, McDonald ' s, a McDonald ' s restaurant in Istanbul, a bomb