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Rihanna 's second studio album A Girl like Me ( 2006 ) produced four singles : chart-toppers " SOS " and " Unfaithful " , as well as " We Ride " and " Break It Off " ; the latter featuring Sean Paul . "
 Rihanna, Sean Paul
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Rihanna, Sean Paul