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When the station originally opened on 4 December 1999 the station had only one island platform , but for the opening of the Mid-Jordan extension of the Red Line on 7 August 2011 , the second ( western ) island platform was added .
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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:  
Answer:
 None