121172
When an order was placed by the traffic department for delivery of 40 more examples of this type , the new Chief Mechanical Engineer , William Stanier , decided to introduce a taper boiler version , in line with his policy of using taper boilers on all new locomotive designs .
 person: William Stanier
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: William Stanier 
Answer:
 person: William Stanier