126951
His current research program focuses on process design to achieve maximum efficiency and optimum food quality including reducing food waste , improving clean-in-place ( CIP ) operations , and optimizing food freezing and frozen storage practices .
 food: freezing
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: freezing 
Answer:
 food: freezing