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The direct train from Amsterdam was originally due to launch on 30 April 2020 , and from Rotterdam on 18 May 2020 , although it was later postponed to 26 October 2020 for both cities due to the COVID-19 pandemic .
 Amsterdam, Rotterdam
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Amsterdam, Rotterdam