7660
The concerts will take place on July 9 and 10 , and all proceeds will benefit the National Multiple Sclerosis Society .
 organization: National Multiple Sclerosis Society
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: National Multiple Sclerosis Society