53115
Later , other cultures produced the process of lactic acid fermentation , which produced other preserved foods , such as soy sauce .
 soy sauce
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:
 soy sauce