114285
Most of the human population lives on a diet based on one or more of the following staples : cereals ( rice , wheat , maize ( corn ) , millet , and sorghum ) , roots and tubers ( potatoes , cassava , yams and taro ) , and animal products such as meat , milk , eggs , cheese and fish .
 rice, wheat, maize, millet, sorghum, cassava, yams, taro
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:
 rice, wheat, maize, millet, sorghum, cassava, yams, taro