33704
He reached the post of Chairman of the Eton and Slough Conservative Association , a post he held for nearly ten years until his retirement from politics in 1954 .
 location: Eton; location: Slough Conservative
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: Eton, Slough Conservative 
Answer:
 location: Eton; location: Slough Conservative