Given the task definition and input, reply with output. 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.

 @ PICMatChiHealth No problem . Source : @ reddit and also mediawatch who have investigated Herald Sun . http://t.co/twrn1hu35u

Herald Sun