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The other was his use of a single ear of barley or wheat as a reverse , though his use of two ears circling around the king 's image continued .
 barley, wheat
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:
 barley, wheat