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On his UEFA Champions League debut on 23 February 2005 , he came on as a second-half substitute for Ludovic Giuly and within four minutes beat Chelsea defender William Gallas to score an equalizer with his first shot for the club , an eventual 2 – 1 first-leg win .
 person: Ludovic Giuly; organization: Chelsea; person: William Gallas
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: Ludovic Giuly, Chelsea, William Gallas 
Answer:
 person: Ludovic Giuly; organization: Chelsea; person: William Gallas