4552
The M-1 , M-3 , B-1 , B2 , D-2 , and D-3 unit cans were small and the M-2 , B-3 , and D-1 unit cans were large .
 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