+---------------------------------------------------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|                                                                                             | sentence                                                                                                                                                                                                                                               |
+=============================================================================================+========================================================================================================================================================================================================================================================+
| ('edition.cnn.com/2012/05/11/sport/tennis/tennis-blue-clay-feature/index.html', 338)        | World No. 1 Novak Djokovic also threatened not to step on Madrid 's blue clay again >>>after he lost to Janko Tipsarevic<<<                                                                                                                            |
+---------------------------------------------------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ('edition.cnn.com/2012/05/13/sport/tennis/tennis-madrid/index.html', 16)                    | That is likely to be a welcome relief for Nadal and Djokovic , who had been vocal in their criticism of Madrid 's blue clay surface , particularly after their shock exits at the hands of Fernando Verdasco and >>>Janko Tipsarevic<<< respectively . |
+---------------------------------------------------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ('edition.cnn.com/2012/05/15/sport/tennis/tennis-djokovic-sharapova-kvitova/index.html', 2) | The world number one was coming off a >>>shock defeat to compatriot Janko Tipsarevic i<<< n Madrid last week on the notorious blue clay , but an upset never looked likely against Tomic .                                                             |
+---------------------------------------------------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ('edition.cnn.com/2012/06/23/sport/tennis/blue-clay-banned-atp/index.html', 18)             | The move ensures that both Nadal and Djokovic will return to play in Madrid next year after >>>threatening to boycott<<< the event if the blue clay was retained .                                                                                     |
+---------------------------------------------------------------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+