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].

Ex Input:
LOS ANGELES (Reuters)  - Oscar-winning Casey Affleck  who has been accused of sexual harassment by female crew members on an earlier film   has withdrawn as a presenter at the 2018 Academy Awards  a spokeswoman for the organization said on Thursday.
 Affleck  the younger brother of actor and director Ben Affleck   topped challenges from Denzel Washington and Ryan Gosling to win the 2017 award.  He  also took home a Golden Globe and numerous trophies from film critics groups.
FILE PHOTO:  Casey Affleck  arrives for the 89th Academy Awards  Oscars Red Carpet in Hollywood  California  U.S. February 26  2018. REUTERS/Mario Anzuoni/File Photo
An attorney for  Affleck  denied the accusations at the time.
 Affleck  adopts a lower public profile than  his  brother Ben and appears uncomfortable in the spotlight.  He  was first nominated for an Oscar in 2008 for  his  lead role in âThe Assassination of Jesse James by the Coward Robert Ford.â
89th Academy Awards - Oscars Red Carpet Arrivals - Hollywood  California   U.S. - 26/02/17 - Casey Affleck  arrives REUTERS/Mario Anzuoni
While  Ben Affleck  has opted for big movies like âBatman v Superman: Dawn of Justice â  Casey Affleck  has focused  his  career on smaller  independent ventures with strong character-driven plots such as âGone Baby Gone.â
In 2010   he  wrote and directed Joaquin Phoenix in âIâm Still Here â a mockumentary about Phoenixâs supposed transition from acting to becoming a rap musician.
Two years ago  he  quietly separated from  his  wife  actress Summer Phoenix  after a nine-year marriage that produced two sons.

Ex Output:
Casey Affleck


Ex Input:
ROUGH CUT ( NO REPORTER NARRATION ) U . S . Defense Secretary Jim Mattis on Tuesday played down an apparent split between the U . S . president and his top diplomat over outreach to North Korea   saying America ' s focus was still on finding a diplomatic solution to the dispute with Pyongyang . President Donald Trump   who has traded insults and threats with North Korean leader Kim Jong Un in recent weeks   said on  Sunday Secretary of State Rex Tillerson  was " wasting  his  time " trying to negotiate with North Korea over its nuclear weapons program .  Tillerson    during a trip to China on Saturday   said the United States had direct channels of communication with the North and was probing Pyongyang to see if it was interested in dialogue . He expressed hope for reducing tensions with North Korea   which is fast advancing toward its goal of developing a nuclear - tipped missile capable of hitting the U . S . mainland . " I do not see the divergence as strongly as some ... have interpreted it  " Mattis said . " President Trump ' s guidance to both Secretary Tillerson and me has been very clearly that we would ... pursue the diplomatic effort to include with the various initiatives with China  " Mattis told a Senate hearing . " I believe that Secretary Tillerson is accurately stating that we are probing for opportunities to talk with the North . All we ' re doing is probing . We ' re not talking with them   consistent with the president ' s dismay about not talking with them before the time is right ."

Ex Output:
Rex Tillerson


Ex Input:
Defendants Howard K. Stern and Drs. Sandeep Kapoor and Khristine Eroshevich were in the courtroom when the jury received the instructions.
 After the panel was dismissed for lunch  Eroshevich burst into tears and was comforted by Stern. Her attorney Brad Brunon said she was reacting to the stress of waiting for the verdicts.
 Perry also told the six women and six men in their third week of deliberations that it was a tough case  and he invited them to ask for readback of testimony and for additional legal instructions  if needed.
 Stern  Kapoor and Eroshevich have pleaded not guilty to conspiring to provide Smith with excessive amounts of prescription drugs and other charges. They are not charged in her 2007 overdose death.

Ex Output:

Eroshevich