41278
The station was assigned the call sign KAVY on June 27 , 1997 , and on March 27 , 1998 , changed its call sign to the current KFEB .
 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