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 _    _     _____     _____     ______    ____    
| \  / ||  |  ___||  /  ___||  /_   _//  |  _ \\  
|  \/  ||  | ||__   | // __     -| ||-   | |_| || 
| .  . ||  | ||__   | \\_\ ||   _| ||_   | .  //  
|_|\/|_||  |_____||  \____//   /_____//  |_|\_\\  
`-`  `-`   `-----`    `---`    `-----`   `-` --`

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Text this: Testing for Indirect Reciprocity in Charitable Activities