32387
Offering a dramatic increase in fuel efficiency , James Watt 's design became synonymous with steam engines , due in no small part to his business partner , Matthew Boulton .
 person: James Watt; person: Matthew Boulton
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: James Watt, Matthew Boulton 
Answer:
 person: James Watt; person: Matthew Boulton