77261
Working with turkey offal as the feedstock , the process proved to have yield efficiencies of approximately 85 % ; in other words , the energy contained in the end products of the process is 85 % of the energy contained in the inputs to the process ( most notably the energy content of the feedstock , but also including electricity for pumps and natural gas or woodgas for heating ) .
 food: offal
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: offal 
Answer:
 food: offal