42638
After the departure of drummer Ivor Twidell in October 1979 , ATF recruited Nick Brotherwood as a replacement and started work on 80f in early 1980 with Tony Mansfield as producer .
 None
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:  
Answer:
 None