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Further integration with the KL Monorail was achieved on 1 March 2012 when the " paid-up " or restricted areas of the Hang Tuah LRT and monorail stations , and also at the Titiwangsa LRT and monorail stations , were physically linked up , allowing transfers without exiting the system .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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