Question: Which river separates the city of Albury on its northern side and the city of Wodonga?

Context paragraphs:
Blaketown: Blaketown is a suburb to the west of Greymouth on the West Coast of New Zealand.  The Grey River separates Blaketown from Cobden, and the Blaketown Lagoon separates it from the centre of Greymouth.

Albury Airport: Albury Airport (IATA: ABX, ICAO: YMAY) is a regional airport located 2 NM northeast Albury, New South Wales, Australia.  The airport, which also serves Albury's adjacent sister city of Wodonga, Victoria was the fifth busiest in New South Wales as of 2016.  The airport also hosts the official weather station for Albury-Wodonga.

Mansiri Himal: Mansiri Himal is a small, high subrange of the Himalaya in north-central Nepal, about 100 km northwest of Kathmandu.  The Marsyangdi River separates the Mansiri from the Annapurnas to the southwest, then an upper tributary "Dudh Khola" separates "Peri Himal" to the northwest.  On the east side, the "Burhi (Budhi) Gandaki" separates the Mansiri from "Ganesh Himal", "Serang" or "Sringi Himal" and "Kutang Himal".  All these streams are tributary to the Gandaki.

Wodonga: is a city on the Victorian side of the border with New South Wales, 300 km north-east of Melbourne, Australia.  It is located wholly within the boundaries of the City of Wodonga LGA.  Its population is approximately 38,559 people and is separated from its twin city in New South Wales, Albury, by the Murray River.  Together, the two cities form an urban area with an estimated population of 90,281.

Albury–Wodonga: Albury–Wodonga is the broad settlement incorporating the twin Australian cities of Albury and Wodonga, which are separated geographically by the Murray River and politically by a state border: Albury on the north of the river is part of New South Wales while Wodonga on the south bank is in Victoria.

River Foyle: The River Foyle (from Irish: "an Feabhal" ) is a river in west Ulster in the northwest of the island of Ireland, which flows from the confluence of the rivers Finn and Mourne at the towns of Lifford in County Donegal, Republic of Ireland, and Strabane in County Tyrone, Northern Ireland.  From here it flows to the city of Derry, where it discharges into Lough Foyle and, ultimately, the Atlantic Ocean.  The length of the River Foyle (total) is 129 km (80ml).  The river separates part of County Donegal from parts of both County Londonderry and County Tyrone.  The district of County Donegal that borders the western bank of the River Foyle is traditionally known as the Laggan.  This district includes the villages of St. Johnston and Carrigans, both of which are nestled on the banks of the river.

Albury: Albury, a major regional city in New South Wales, Australia, is located on the Hume Highway and the northern side of the Murray River.  It is the seat of local government for the council area which also bears the city's name the City of Albury.

Beach Road, Perth: Beach Road is a major east-west road in the northern suburbs of Perth, Western Australia, connecting Perth's inner northern beachside suburbs and inland state housing areas with shopping and public transport facilities at Warwick and the Malaga industrial area.  It was mostly built between 1967 and 1974, and is a dual carriageway for most of its length, except for a small western part between Marmion Avenue and the coast, which is a minor residential distributor road and is discontinuous at Marmion Avenue.  Beach Road also serves as a local government boundary.  From Alexander Drive to Wanneroo road beach road is the boundary with the City of Wanneroo on the northern side and the City of Stirling on the southern side.  From Wanneroo Road to the coast Beach Road is the boundary with the City of Joondalup (part of City of Wanneroo until 1998) on the northern side and the City of Stirling on the southern side.

Albury Sports Ground: Albury Sports Ground (also known as "Albury Oval") is a sporting ground located close to the central business district of Albury, Australia.  The oval is near the NSW bank of the Murray River, with a historic grandstand on the north-western flank, and a members' club with a grandstand and changing rooms on the eastern wing.  The venue also incorporates a netball court in the north-eastern corner, while the Albury Swim Centre is adjacent to the west.  The ground is part of a string of parks and gardens between the Murray River and Wodonga Place that include the Albury Botanic Gardens, Hovell Tree Park, Noreuil Park, Australia Park, and Oddies Creek Park.

West Hudson, New Jersey: West Hudson is the collective name of the municipalities of Kearny, Harrison and East Newark located west of the Hackensack River and east of the Passaic River in Hudson County in northeastern New Jersey.  The Passaic River separates it from Newark and Belleville, and the Hackensack River separates it from Jersey City, the county seat.  Residential districts are concentrated along the banks of the Passaic, while along the Hackensack there is more industry, brownfields, or protected areas of the New Jersey Meadowlands known as the Kearny Meadows or the Kearny Marsh

Supporting paragraphs: Wodonga Albury
Answer: Murray River