Assertion: lake | /r/HasProperty | one of the largest
Facets:
value: at the time of construction
type: TEMPORAL
Source sentences:
text: At the time of construction, the Lake of the Ozarks was the largest man-made lake in the United States and one of the largest in the world.
text: Lakes are larger bodies of freshwater formed by some natural process like tectonic plate movement, landslides, or human actions, such as building a dam.