4367
He is best known as the drummer and co-producer of the group Death Grips and as the drummer of math rock band Hella .
 organization: Death Grips; organization: Hella
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: Death Grips; organization: Hella