Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: (CNN) Venezuelan opposition leader Leopoldo Lopez, whose imprisonment has been a rallying cry for anti-regime demonstrators, has been released to house arrest because of health concerns, the nation's Supreme Court said Saturday morning. Lopez has been detained since early 2014 over accusations of inciting anti-government protests. "By the power of Supreme Court Judge Maikel Moreno, the criminal court of the Supreme Court Justice grants house arrest to Leopoldo Lopez due to health problems," the court tweeted. A relative of Lopez's confirmed the news of the house arrest. Details about his physical condition weren't immediately available. A photo from the family showed a smiling Lopez with his children at home.Opposition leader Leopoldo Lopez has been detained since 2014Lopez granted house arrest due to health concerns, Venezuela Supreme Court says 
 Question:"We salute the freedom of _, an opportunity for national reconciliation and a democratic solution to a grave crisis," he said in a tweet.

Leopoldo Lopez