Given the document below, you have to determine if "Yes" or "No", the summary is factually consistent with the document.

Document:
FILE - NAME_1, NAME_2, and his wife NAME_3 arrive at the Supreme Court in Sydney, Australia, on May 2, 2022, for a sentencing hearing in the murder of NAME_4, NAME_5's brother. An Australian pleaded guilty on Thursday, Feb. 23, 2023, to the manslaughter of an American NAME_4, who fell to his death 35 years ago from a Sydney cliff top that was known as a gay meeting place. (AP Photo/NAME_6, File) CANBERRA - An Australian pleaded guilty on Thursday to manslaughter in the death 35 years ago of an American who fell from a Sydney clifftop that was known as a gay meeting place, with the victim's family welcoming the turning point in their long campaign for justice. NAME_7's admission in the New South Wales state Supreme Court came three months after he had his conviction on charges of murdering NAME_4 overturned by an appeals court. The family of Los Angeles-born NAME_8 had fought for years to overturn an initial finding that the 27-year-old mathematician had taken his own life in 1988. NAME_8's Boston-based

Summary:
1. An Australian has pleaded guilty to manslaughter in the death 20 years ago of an American who fell from a Sydney clifftop that was known as a gay meeting place.

Is the summary factually consistent with the document? (Yes/No)
Start your answer explicitly with "Yes" or "No", and if you answer no, explain which sentence is inconsis Make sure to only use capital letters in your entire response.
user