Assertion: grade | /r/CapableOf | progress till maximum grade of xiii
Facets:
value: as of 2020
type: TEMPORAL
Source sentences:
text: grades I to II are very easy (II being a very steep, but almost walkable route), III to V are easy (III being the grade most indoor gyms use as a starting point for beginners) and it progresses till the maximum grade of XIII, as of 2020.