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While recording the track " If It 's Lovin ' That You Want " for her debut album , Rihanna received a visit from American singer Ne-Yo , in which they met for the first time , although they never got the chance to collaborate on " Music of the Sun " .
 person: Rihanna; person: Ne-Yo
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: Rihanna, Ne-Yo 
Answer:
 person: Rihanna; person: Ne-Yo