14747
Sly and the Family Stone 's 1971 album " There 's a Riot Goin ' On " helped to popularize the sound of early drum machines , along with Timmy Thomas ' 1972 R&B hit " Why Ca n't We Live Together " and George McCrae 's 1974 disco hit " Rock Your Baby " which used early Roland rhythm machines .
 organization: Sly and the Family Stone; person: Timmy Thomas; person: George McCrae; organization: Roland
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: Sly and the Family Stone, Timmy Thomas, George McCrae, Roland 
Answer:
 organization: Sly and the Family Stone; person: Timmy Thomas; person: George McCrae; organization: Roland