64413
They worked with Reverb , a non-profit environmental organization , on their 2007 summer tour .
 organization: Reverb
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: Reverb 
Answer:
 organization: Reverb