Assertion: freestyle skating | /r/CapableOf | remain healthy
Facets:
value: with pioneers such as rodney mullen
type: OTHER
value: throughout this period
type: TEMPORAL
Source sentences:
text: Freestyle skating remained healthy throughout this period, with pioneers such as Rodney Mullen inventing many of the basic tricks that would become the foundation of modern street skating, such as the "Impossible" and the "kickflip".