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These are available in three forms : it can be served in a cup , sandwiched in a folded slice of bread - pandan or rainbow bread - or between two thin wafer biscuits .
 bread, wafer
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:
 bread, wafer