Assertion: dinosaur's life | /r/HasProperty | preserved
Facets:
Source sentences:
text: Also, ancient life can only be preserved if it is buried in sedimentary rock.
text: It's not that life in Wisconsin went extinct; it's that the rocks this life would have been preserved in were actively eroded away, rather than deposited, up until the cusp of the modern era, meaning that no dinosaurs have ever been discovered in this state.