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The band was formed in 1981 in Healdsburg , California , when Lance Ozanix and several other people joined together and called their band Venom .
 location: Healdsburg , California
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: Healdsburg , California 
Answer:
 location: Healdsburg , California