Assertion: memory foam | /r/HasProperty | new material
Facets:
value: relatively
type: DEGREE
Source sentences:
text: Gel-infused memory foam is a relatively new material, and is not as widely available as other memory foam types.
text: You may have grown up sleeping on a spring mattress, but gel memory foam is a relatively new mattress material.
text: Copper-infused memory foam, another relatively new version of the material, features beads lined with thin copper wire placed throughout the foam.
text: Memory foam is a relatively new material.