25906
For the slave traders , the trade was extremely profitable , and became a major economic mainstay for such western British cities as Bristol , Glasgow and Liverpool , which formed the third corner of the triangular trade with Africa and the Americas .
 location: Bristol; location: Glasgow; location: Liverpool; location: Africa; location: Americas
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: Bristol, Glasgow, Liverpool, Africa, Americas 
Answer:
 location: Bristol; location: Glasgow; location: Liverpool; location: Africa; location: Americas