83353
A " hamburger " ( also " burger " for short ) is a sandwich consisting of one or more cooked patties of ground meat , usually beef , placed inside a sliced bread roll or bun .
 sandwich, patties, ground meat, beef, bread roll, bun
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:
 sandwich, patties, ground meat, beef, bread roll, bun