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].

Input: Consider Input: American Icon and Playboy Founder  Hugh M. Hefner  passed away today.  He  was 91. #RIPHef
Born in Chicago   Hefner  served in the military and worked in journalism before founding Playboy  at age 27  with a small loan. The first issue featured Marilyn Monroe in the centerfold  with images taken for a nude calendar four years earlier  before she became famous. In 2011   Hefner  bought the crypt next to Monroe at the West Hollywood Cemetery  though the two never met.
"You know I'm a sucker for blondes  and  she  is the ultimate blonde " he told CBS2  calling Monroe "the definitive sex icon of our time."
 Hefner 's magazine began publishing its now-iconic centerfold in 1955 — a two-page spread with a titillating photo of a woman. As the magazine took off in the '50s   Hefner  shed a marriage to  his  former classmate Mildred Williams and embraced the sybaritic life depicted on those glossy pages. In 1962  the magazine introduced the "Playboy Interview " which was lauded for its great writing  starting a long-running joke that people read the magazine for the articles  rather than the pictures.  Hefner  also hosted television shows related to the brand  including Playboy's Penthouse in 1959 and Playboy After Dark in 1969.
 Hefner  was married three times  and while  he  himself grew older  his bride was always twentysomething as  she  walked down the aisle. Hailing from a Methodist family in the Midwest   he  styled  himself  as someone who transcended the sexual puritanism endemic in the United States  despite  his  carefully tailored embodiment of an old-fashioned form of masculinity.  He  read Alfred Kinsey's research enthusiastically and experimented with bisexuality in the 1950s;  he  claimed to be a proponent and an instigator of the "sexual revolution"; and yet  he  acknowledged in  his  autobiography that Playboy was "a romantic reflection of earlier times." Although the Playboy fantasy was inherently conservative  the philanthropic Playboy Foundation was a financial supporter of the fight for abortion rights. "Women were the major beneficiary of the sexual revolution "  Hefner  said in Esquire in 2007. "Unfortunately  within feminism  there has been a puritan  prohibitionist element that is antisexual." In the same piece   Hefner  called himself a feminist. Playboy's circulation peaked at 7 million in the '70s  around the time  Hefner  moved from Chicago to the storied Playboy Mansion  where he continued to live and work for the rest of his life.  His company  took a dive in the 1980s  when many of the Playboy Clubs were shuttered  and again in the 1990s  with the rise of easily accessible internet porn  which made his pornographic magazine seem irrelevant. In 2015  the magazine abruptly announced that it would stop publishing nude photos  although it reversed that decision earlier this year. Hefner and a collection of his live-in girlfriends also managed to reach a new audience  starring in an E! reality TV series called The Girls Next Door from 2005 to 2010. He married one of those girlfriends  Crystal Harris  in 2012. It was at this time that he also announced his youngest son  Cooper  would take over Playboy Enterprises.
 Hefner  is survived by  his  wife  Crystal Harris;  his  three sons  David  Marston  and Cooper Hefner; and a daughter  Christie Hefner.

Output: Hugh M. Hefner


Input: Consider Input: Enes Kanter is averaging a double-double through 17 games this season  but apparently that isn't enough to warrant a blue check mark next to  his  name on Twitter.
 Kanter  publicly aired  his  frustration after  he  discovered Twitter mysteriously unverified  him  Sunday.
"Haha Yoo!! Even the freaking @Twitter against  me   Lol " Kanter  wrote. "Why did you take my blue check away ?? You unverified me That's messed up."
 Kanter  was verified prior to Sunday.
against  me  🤨
As a former Top 3 pick Kanter er qualifies as a user who would warrant verification  according to Twitter's policy.
Twitter  however  has the right to remove verification at any time without notice. Reasons that could result in a user losing their verification include misleading people by changing one's name or bio  harassing other users and promoting hate or violence  among other actions Enes Kanter er is no longer verified on Twitter. (Elsa/Getty Images)
Based o Kanter er's recent Tweets  it does not appear that the Knicks center violated any of these policies Kanter er  however  may have angered someone within Twitter wit his is political Tweets. The outspoken Turkish center has repeatedly criticized Turkey president Recep Tayyip Erdogan  once callin him im the "Hitler of our century" afte he he ha his is Turkish passport canceled Kanter er has also publicly state his is desire to take a knee during the national anthem prior to the Knicks' season opener  but opted against it after talking wit his is teammates.
It's unclear i Kanter er's political stance and run-ins with the Turkish government had any bearing o his is loss of verification.

Output: Enes Kanter Enes


Input: Consider Input: In the wake of the Russian troll campaign against Ukrainian activists  several Facebook users brought up the issue to  Facebook co-founder and CEO Mark Zuckerberg  when  he  called for questions to be submitted prior to a May 2015 town hall  the report found.
 Zuckerberg  touched on the issue during  his  town hall in May 2015 and said that several posts that had been flagged contained "hate speech" and anti-Russian "slurs."
" We  did the right thing according to  our  policies in taking down the posts. I support  our  policies in taking down hate speech "  he  told attendees.
 Zuckerberg  extended an apology to users whose posts had been taken down despite being in compliance with community standards  and attributed the error to a bug in Facebook's software.
Former President Barack Obama tried to warn  Zuckerberg  about the threat of fake news and  its  effect on the 2016 election less than two weeks after Donald Trump won the presidency The Washington Post reported on Sunday.
Nine days before Obama warned  him  about the effect fake news had on the November result and the problem it would pose in future elections   Zuckerberg  struck down the notion as a "crazy idea" that "surely had no impact" on the end result.
Following the president's warning   Zuckerberg  acknowledged the problem but said fake news wasn't widespread on Facebook  according to The Post.  He  added at the time that there was no easy solution to the issue  according to those familiar with the matter.


Output: Mark Zuckerberg