2000
In 1954 he played on an album with Clifford Brown and accompanied him on his European tour .
 person: Clifford Brown
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: Clifford Brown 
Answer:
 person: Clifford Brown