87969
This began with its loss of the rights to the NFL 's American Football Conference to CBS at the end of the 1997 season .
 organization: NFL; organization: American Football Conference; organization: CBS
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: NFL, American Football Conference, CBS 
Answer:
 organization: NFL; organization: American Football Conference; organization: CBS