Assertion: shark | /r/UsedFor | 400 million years
Facets:
value: before the dinosaurs
type: TEMPORAL
value: in some shape
type: OTHER
value: in form
type: OTHER
Source sentences:
text: Sharks have been around for 400 million years Pre-dating dinosaurs and even trees!
text: In some shape or form, Sharks have been around for about 400 million years.
text: Based on fossilized teeth and scales, scientists believe that sharks have been around for more than 400 million years—long before the dinosaurs.