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].

Example input: 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.
Example output: Raheem Morris
Example explanation: Here the main entity is Raheem  Morris since the main topic of the document is about him starting as quarterback.
Q: Russian Prime Minister Vladimir Putin said in an interview published Monday he was "surprised" by the second trial of jailed oil magnate Mikhail Khodorkovsky  widely seen as orchestrated by the Kremlin.
 Interviewed by the daily Kommersant  Putin said he was surprised when prosecutors in 2008 announced fresh charges against the former Yukos chief that could see him serve two more decades in jail.
 "When I heard about the second trial  I was very surprised and asked what case this was  since he is already serving time for what he did. What is this second trial?" Putin said.
 At the time of his arrest in 2003  Khodorkovsky  once Russia's richest man  was seen as a political rival to Putin.
 Putin denied having involvement in the case and said he supported the second trial. "If such a case is being heard  it means that the law requires it. I'm not in charge of this case " he said.
 Asked by the paper why he "hounded Khodorkovsky into a corner " Putin denied the charge.
 "He is being justifiably punished " Putin said. "He will come out of prison and he will be a free man. No  I definitely never pushed him into a corner."
A:
Putin