Assertion: zeppelin | /r/CapableOf | begin scheduled commercial service
Facets:
value: after many pioneering flights
type: TEMPORAL
value: regularly
type: DEGREE
Source sentences:
text: By the summer of 1931, after many pioneering flights which demonstrated the airship’s impressive capabilities and captured the enthusiasm of the world, Graf Zeppelin began regularly scheduled commercial service on the route between Germany and South America.