509
The film also stars Richard O'Brien and Mary Scheer .
 person: Richard O'Brien; person: Mary Scheer
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 O'Brien, Mary Scheer 
Answer:
 person: Richard O'Brien; person: Mary Scheer