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The line was formally opened by Queen Elizabeth II on 30 July 1987 , and passenger services began on 31 August .
 person: Elizabeth II
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: Elizabeth II 
Answer:
 person: Elizabeth II