23841
The Fc ( Fragment , crystallizable ) region at the differentiate of the antibody plasma cell is shaped by the variable domains from the heavy and light chains .
 location: Fragment
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: Fragment 
Answer:
 location: Fragment