Assertion: blackjack oak's leaf | /r/HasProperty | thick
Facets:
value: relatively
type: DEGREE
Source sentences:
text: The leaves are relatively thick and sturdy, and because of this, they tend to remain on the ground intact, rather than crumbling as many other oaks' dried leaves do during the winter.
text: Leaves are thick, leathery and covered with layer of wax on the surface (it prevents loss of water via transpiration).