Assertion: memory foam | /r/HasProperty | slow-reacting
Facets:
value: originally
type: MANNER
Source sentences:
text: Memory foam is slow-reacting and quicksand-like, while Latex is immediately responsive.
text: They came up with memory foam (originally called “slow springback foam”), and the rest is history.
text: The temperature-sensitive memory foam was initially referred to as "slow spring back foam"; most called it "temper foam".