100251
" Staged reforming " is a thermochemical process to convert organic material or bio waste such as wood , dung or hay into combustible gases containing methane , carbon monoxide and hydrogen .
 food: hay
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: hay 
Answer:
 food: hay