153068
The Leader was a class of experimental 0-6-6-0 T articulated steam locomotive , produced in the United Kingdom to the design of the innovative engineer Oliver Bulleid .
 person: Oliver Bulleid
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: Oliver Bulleid 
Answer:
 person: Oliver Bulleid