55153
While drawing up the plans for the West Block , he included a circular staircase leading directly from his office to the outside of the building , which allowed him to escape the patronage-seekers waiting for him in his ante-chamber .
 location: West Block
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: West Block 
Answer:
 location: West Block