291325
Established in 1988 , it trains ab-initio pilots for Singapore Airlines , SilkAir and Singapore Airlines Cargo .
 Singapore Airlines, SilkAir, Singapore Airlines Cargo
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Singapore Airlines, SilkAir, Singapore Airlines Cargo