48465
In January 2012 , US Airways Group , the parent company of US Airways , expressed interest in taking over AMR Corporation , the parent company of American Airlines .
 organization: US Airways Group; organization: US Airways; organization: AMR Corporation; organization: American Airlines
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: US Airways Group, US Airways, AMR Corporation, American Airlines 
Answer:
 organization: US Airways Group; organization: US Airways; organization: AMR Corporation; organization: American Airlines