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As Prime Minister First term Alexis was nominated as Prime Minister by Préval on July 16 , 1998 , following congressional rejections of three prior nominees that had resulted in a year-long political crisis .
 person: Alexis; person: Préval
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: Alexis, Préval 
Answer:
 person: Alexis; person: Préval