9881
The casting of Warren Oates and Ryan O'Neal was announced in December 1971 .
 person: Warren Oates; person: Ryan O'Neal
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Warren Oates; person: Ryan O'Neal