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 Q]: Statement by Prime Minister of Malaysia , Dato ' Seri Najib Razak on #MH17 Incident http://t.co/fqjkS5xIbX
[EX A]: Najib Razak

[EX Q]: My @ DublinCityUni @ LawGovDCU colleague Walt Kilroy receives #psai13 award for best PhD in 2013 http://t.co/tZ7xtRbQ9j
[EX A]: Walt Kilroy

[EX Q]: Boris Johnson attacks Government over disability reforms http://t.co/5ZNjdH2b DailyMirror # dwp # dla # disabilty # benefits # boris # ukuncut
[EX A]:
Boris Johnson