101965
Before switching to pure vegetable oil in 1990 , McDonald 's cooked its French fries in a mixture of 93 % beef tallow and 7 % cottonseed oil .
 McDonald 's, French fries, cottonseed oil
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:
 McDonald 's, French fries, cottonseed oil