source: The Amazon Basin is the part of South America drained by the Amazon River and its tributaries.
target: The Amazon Basin is at the end of the Amazon river.
references: The Amazon Basin is at the end of the Amazon river. The Amazon Basin is the part of South America drained by the Amazon River. The amazon basin is the part of south america drained by the amazon river and its other water flows. The Amazon Basin is part of South America.  It is drained by the Amazon River and the river's tributaries. The Amazon Basin is the region of South America, which is is drained by the Amazon River and its tributaries. The Amazon Basin is the part of South America that is drained by the Amazon River and its rivers and streams. The Amazon River and the rivers that flow into it drain the Amazon Basin. The Amazon Basin is the part of South America drained by the Amazon River and its rivers. The Amazon Basin is the part of South America drained by the Amazon River. The Amazon Basin is in South America. It is the land drained by the Amazon River and the little rivers connected to it.