Assertion: speed skate's boot | /r/MadeOf | synthetic materials
Facets:
value: more recently
type: TEMPORAL
Source sentences:
text: More recently, the boots have been made from synthetic materials as well, but some have the addition of a heat-modifiable lining.
text: More recently, the boots have been made from synthetic materials as well, but some have the addition of a heat-modifiable lining.