Premise: The Orinoco River is one of the longest rivers in South America with a total length of 2,140 km . 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 the Orinoco River.
Label: ENTAILMENT