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The duet most known as Kad & Olivier began working together and started their own show , the Rock 'n Roll Circus , introducing some of their most famous sketches ( Pamela Rose , Teddy Porc Fidèle ... ) .
 Kad
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kad