6958
The government , headed by Tony Blair , blocked all attempts to revise the succession laws , claiming it would raise too many constitutional issues and it was unnecessary at the time .
 person: Tony Blair
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: Tony Blair 
Answer:
 person: Tony Blair