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:
 mto legal receber o carinho de um amigo e grande jogador como Leo Messi na sua biografia oficial lançada recentemente http://t.co/HFwFwE02EV

Ex Output:
Leo Messi


Ex Input:
 wiz khalifa is shit

Ex Output:
wiz khalifa


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