Premise: The Amazon River , usually abbreviated to Amazon ( [ ˈæməzɒn ] or [ ˈæməzən ] Spanish and Amazonas ) , in South America is the largest river by discharge volume of water in the world and according to some authors , the longest in length . South America . The geography of western South America is dominated by the Andes mountains ; in contrast , the eastern part contains both highland regions and large lowlands where rivers such as the Amazon , Orinoco , and Paraná flow .
Hypothesis: South America isn't home to the largest river in the world.
Label: CONTRADICTION