Assertion: killer whale | /r/AtLocation | fresh water rivers
Facets:
value: rarely
type: TEMPORAL
Source sentences:
text: Even more surprising, orcas have been seen in fresh water rivers around the world such as the Rhine, the Thames, and the Elbe.
text: Rarely, killer whales have been seen in fresh water rivers around the world such as the Rhine, the Thames, and the Elbe.