7882
Colossus could also derive the start position of the " psi " and motor wheels , but this was not much done until the last few months of the war , when there were plenty of Colossi available and the number of Tunny messages had declined .
 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