56945
The United Kingdom adopted a color code scheme for such communication wherein red signified danger and white signified safety , with other colors having similar assignments of meaning .
 United Kingdom
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 United Kingdom