93525
In the 21st century , the European Union , the United States , Canada , Mexico , Japan , and many other countries require producers to obtain special certification to market their food as " organic " .
 time: 21st century; organization: European Union; location: United States; location: Canada; location: Mexico; location: Japan
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: 21st century, European Union, United States, Canada, Mexico, Japan 
Answer:
 time: 21st century; organization: European Union; location: United States; location: Canada; location: Mexico; location: Japan