177539
It is situated on the northside of the River Thames , the southside of the Royal Victoria Dock on the opposite quay to ExCeL exhibition centre , and immediately west of London City Airport .
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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