question: Which river is Waterloo Bridge crossing and London Eye located by?
answer: River Thames
context: Title: Waterloo Bridge (play)
  Passage: Waterloo Bridge: A play in two acts is a 1930 play by Robert E. Sherwood.  It premiered on Broadway January 6, 1930 and ran until March 1930.  It was the basis for three separate films: "Waterloo Bridge" (1931), "Waterloo Bridge" (1940), and "Gaby" (1956).  It is based on the author's experiences during World War I.
  Title: London Eye
  Passage: The London Eye is a giant Ferris wheel on the South Bank of the River Thames in London.  As of January 2015, it has been advertised as the Coca-Cola London Eye.
  Title: Waterloo Bridge
  Passage: Waterloo Bridge ( ) is a road and foot traffic bridge crossing the River Thames in London, between Blackfriars Bridge and Hungerford Bridge.  Its name commemorates the victory of the British, the Dutch and the Prussians at the Battle of Waterloo in 1815.  Thanks to its location at a strategic bend in the river, the views from the bridge (of Westminster, the South Bank and the London Eye to the west, and of the City of London and Canary Wharf to the east) are widely held to be the finest from any spot in London at ground level.
citations: Waterloo Bridge London Eye