Assertion: certificate's level | /r/CapableOf | range for non-native english speakers
Facets:
value: from a b1
type: LOCATION
value: usually
type: TEMPORAL
Source sentences:
text: For non-native English speakers, the recommended level for certification usually ranges from a B1 to C2 CEFR level (CEFR is the Common European Framework of Reference, an internationally used standard for describing language ability level).