91176
Richard Burton , Rex Harrison , Roddy McDowall , and Martin Landau are featured in supporting roles .
 person: Richard Burton; person: Rex Harrison; person: Roddy McDowall; person: Martin Landau
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: Richard Burton, Rex Harrison, Roddy McDowall, Martin Landau 
Answer:
 person: Richard Burton; person: Rex Harrison; person: Roddy McDowall; person: Martin Landau