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Their debut album , The Ten Commandments , became something of a landmark in the death metal underground , expanding on the early work of bands like Slayer , Kreator , Possessed , Onslaught , Obituary and Death .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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