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Many variations have developed since the early 21st century , such as green tea hotteok , pink " bokbunja hotteok " , corn " hotteok " , pizza " hotteok " and more .
 green tea, bokbunja
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 green tea, bokbunja