6069
Written by Lee Erwin , and featuring Nichelle Nichols in the cast , it was about racial prejudice .
 person: Lee Erwin; person: Nichelle Nichols
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: Lee Erwin, Nichelle Nichols 
Answer:
 person: Lee Erwin; person: Nichelle Nichols