In this task, you will be given sentences in which your task is to recognize the name of a person. Note that Twitter names shouldn't be considered as people's names. Although there might be several correct answers, you need to write one of them.

Ex Input:
Sen . John Cornyn raised $ 150 K / week for 15 months ahead of primary " We didn ' t want to have a fair fight , " he said http://t.co/FG93seNnt4

Ex Output:
John Cornyn

Ex Input:
Huge thanks to John Butler for speaking up for Tas forests as a Global Voice for World Heritage @ JohnButlerTrio http://t.co/FHFOFbLRdH

Ex Output:
John Butler

Ex Input:
" @ Feeney4Batman : How Christopher Pyne can face Parliament after such barefaced lies is a mystery ! #qt #auspol http://t.co/KXbNM77yxI "

Ex Output:
Christopher Pyne