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The two most popular are " Coffea arabica " ( commonly known simply as " Arabica " ) , which accounts for 60 – 80 % of the world 's coffee production , and " Coffea canephora " ( known as " Robusta " ) , which accounts for about 20 – 40 % .
 Coffea arabica, Coffea canephora
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:
 Coffea arabica, Coffea canephora