Question: What country of origin does Vasey Houghton and HM Prison Pentridge have in common?

Context paragraphs:
HM Prison Pentridge: Her Majesty's Prison Pentridge was an Australian prison that was first established in 1851 in Coburg, Victoria.  The first prisoners arrived in 1851.  The prison officially closed on 1 May 1997.

HM Prison Geelong: HM Prison Geelong was a maximum security Australia prison located on the corner of Myers Street and Swanston Street in Geelong, Victoria, Australia.  The prison was built in stages from 1849 to 1864.  Its panopticon design is based on Pentonville Prison in England.  The prison was officially closed in 1991 and prisoners were moved to the newly built HM Prison Barwon in Lara.

HM Prison Acklington: HM Prison Acklington was a Category C men's prison, located near the village of Acklington a few miles from Amble), in Northumberland, England.  Acklington Prison was operated by Her Majesty's Prison Service.  In 2011 Acklington was merged into the newly named HM Prison Northumberland.

Everynight ... Everynight: Everynight ... Everynight is an Australian drama film directed by Alkinos Tsilimidos and released in 1994.  Based on a play of the same name, written by Ray Mooney, the film details the early life of contract killer Christopher Dale Flannery and is set inside Melbourne's HM Prison Pentridge's maximum security "H Division".  Filming was undertaken at HM Prison Geelong.

HM Prison Oakwood: HM Prison Oakwood, is a Category C prison in the village of Featherstone, Wolverhampton, in Staffordshire, England.  First opened in April 2012, the prison is operated by G4S and was aimed to be in full operation by autumn 2012.  Originally called Featherstone 2, and designed to be a titan prison, it was downsized to hold up to 1,605 prisoners with construction starting in August 2009 and built in a modular fashion, the first time this had been done in the UK.  Following the announcement that it would be contracted out to a private company along with HMP Birmingham, the Prison Officers Association threatened industrial action.  The prison received heavy criticism following a snap inspection by HM Inspector of Prisons.  A report published by the inspectorate in October 2013 identified several issues of concern, including a high level of violence at the jail.

Maze Prison escape: The Maze Prison escape (known to Irish republicans as the Great Escape) took place on 25 September 1983 in County Antrim, Northern Ireland.  HM Prison Maze (also known as Long Kesh) was a maximum security prison considered to be one of the most escape-proof prisons in Europe, and held prisoners convicted of taking part in armed paramilitary campaigns during the Troubles.  In the biggest prison escape in UK history, 38 Provisional Irish Republican Army (IRA) prisoners escaped from H-Block 7 (H7) of the prison.  One prison officer died of a heart attack as a result of the escape and twenty others were injured, including two who were shot with guns that had been smuggled into the prison.  The escape was a propaganda coup for the IRA, and a British government minister faced calls to resign.  The official inquiry into the escape placed most of the blame onto prison staff, who in turn blamed the escape on political interference in the running of the prison.

Vasey Houghton: William Vasey Houghton MLC (3 January 1921 – 11 January 2001), better known as Vasey Houghton, was an Australian politician, grazier, and conservationist.  He was one of the longest-serving members of the Victorian State Parliament, spending eighteen years as a Member of the Legislative Council, nine of them on the front bench.  Houghton is remembered for his work cleaning up HM Prison Pentridge and the Yarra River.

HM Prison Oxford: HM Prison Oxford was a prison located in Oxford Castle from 1888 until 1996.  The castle had been used as a prison since the seventeenth century, but it only acquired the name HM Prison Oxford in the 1888 prison reforms.

HM Prison Moorland: HM Prison Moorland (formerly HM Prison Moorland Closed) is a Category C men's prison and Young Offenders Institution, near Hatfield Woodhouse in South Yorkshire, England.  The prison is operated by Her Majesty's Prison Service, and is jointly managed with the nearby Hatfield Prison.

HM Prison Castington: HM Prison Castington was a male juvenile's prison and Young Offenders Institution, located in the village of Acklington in Northumberland, England.  The prison was operated by Her Majesty's Prison Service.  In 2011 the facility was merged into the newly named HM Prison Northumberland.

Supporting paragraphs: Vasey Houghton HM Prison Pentridge
Answer: Australian