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 __   _     ______   __   __    ______            
| || | ||  /_   _//  \ \\/ //  /_   _//     ___   
| '--' ||   -| ||-    \   //    -| ||-     /   || 
| .--. ||   _| ||_    / . \\    _| ||_    | [] || 
|_|| |_||  /_____//  /_//\_\\  /_____//    \__ || 
`-`  `-`   `-----`   `-`  --`  `-----`      -|_|| 
                                             `-`

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Text this: To join or not to join airline alliances : from the perspective of Singapore Airlines.