Assertion: purple's mattress | /r/MadeOf | some type of foam
Facets:
value: in their comfort layer
type: LOCATION
Source sentences:
text: Well, the Purple Grid is basically the most unique comfort material I have ever seen in a mattress; many mattresses that I review contain some type of foam in their comfort layer, and the Purple Grid is in a category by itself.
text: I have ever seen in a mattress; many mattresses that I review contain some type of foam in their comfort layer, and the Purple Grid is in a category by itself.