72419
This law states that the flag shall not be flown until 7 o'clock in the morning , that it should preferably not be flown beyond sunset but that it must not be flown beyond midnight .
 time: midnight
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: midnight 
Answer:
 time: midnight