91113
America West Airlines ( which has since merged with US Airways ) remained a significant survivor from this new entrant era , as dozens , even hundreds , have gone under .
 organization: America West Airlines; organization: US Airways
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: America West Airlines, US Airways 
Answer:
 organization: America West Airlines; organization: US Airways