Given a document, find the main entity about whom the author is writing. Write the full name if mentioned in the text. Note that URLs in the text have been replaced with [Link].
One example is below.
Q: At least Raheem Morris finally has the name of the Bucs' starting quarterback in the back of his mind.
 He wants to make sure he made the decision with his head and not just his heart.
 That's why Morris declined to name his choice between Byron Leftwich and Luke McCown on Friday until after one last consultation with his coaching staff.
 After that  Morris said  he would inform the owners  then his team before making the eagerly awaited announcement. Players were off Friday  so an announcement could come this morning.
 "We'll have a decision here in the near future " Morris said. "I think we've got to go with who we think gives us the best chance to win.
A: Raheem Morris
Rationale: Here the main entity is Raheem  Morris since the main topic of the document is about him starting as quarterback.
Q: -LRB- CNN -RRB- Senator Bernie Sanders still thinks that the Democrats do n't get it . 
Speaking Saturday in Chicago , Sanders offered some blistering rhetoric , calling on his supporters to take down President Trump , who he believes to be a threat to the nation . 
Some Democrats , such as New York Governor Andrew Cuomo , have tried to build on Sanders ' appeal with new policy initiatives such as free higher education . 
Sanders said . 
They have to demonstrate that they are a party that is not , in fact , beholden to big interests , as Sanders has argued , and has a vision that will translate into real economic gains for all Americans .
A:
Bernie Sanders