92977
A fad diet is a diet that is popular for a time , similar to fads in fashion , without being a standard dietary recommendation , and often promising unreasonably fast weight loss or nonsensical health improvements .
 food: fad diet
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: fad diet 
Answer:
 food: fad diet