9698
Sherwood sat in with Zappa 's first band , R&B group The Black-Outs , at various performances , where he was often a highlight .
 person: Sherwood; person: Zappa
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:
 person: Sherwood; person: Zappa