Assertion: river | /r/HasProperty | the amazon
Facets:
Source sentences:
text: The world’s largest river, the Amazon in South America, is considered a 12th-order stream.
text: The index of a stream or river may range from 1 (a stream with no tributaries) to 12 (globally the most powerful river, the Amazon, at its mouth).
text: The smallest tributaries are referred to as first-order streams, while the largest river in the world, the Amazon, is a twelfth-order waterway.