56315
1947 proved a particularly difficult year for the government ; an exceptionally cold winter that year caused coal mines to freeze and cease production , creating widespread power cuts and food shortages .
 time: exceptionally cold winter
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: exceptionally cold winter 
Answer:
 time: exceptionally cold winter