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.

Let me give you an example: Let us wait for Tal August for a while
The answer to this example can be: Tal August
Here is why: Here, the person Tal August is referred to be waited for.

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