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May Day in Singapore In Singapore , May Day ( or Labour Day ) is celebrated on the 1st of May each year as a mark of solidarity amongst workers .
 location: Singapore; location: Singapore
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Singapore, Singapore 
Answer:
 location: Singapore; location: Singapore