Premise: Paraná River . It is second in length only to the Amazon River among South American rivers . The Paraná River ( Maranhão ) is a river of Maranhão state in northeastern Brazil . 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 contains Paraná River.
Label: ENTAILMENT