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Silage is grass , corn or hay , which has been chopped into small pieces , and compacted together in a storage silo , silage bunker , or in silage bags .
 Silage, corn, hay
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:
 Silage, corn, hay