Assertion: jungle | /r/MadeOf | huallaga
Facets:
Source sentences:
text: The jungle contains long and powerful rivers such as the Apurimac, Mantaro, Amazon, Urubamba, Ucayali, Huallaga, Marañón, Putumayo, Yavarí, Napo, Pastaza, Madre de Dios, Manu, Purus, and Tigre.