Assertion: marathon | /r/CapableOf | remain unchanged
Facets:
value: with ongoing mechanical changes
type: OTHER
value: virtually
type: MANNER
value: during its 21-year production run
type: TEMPORAL
Source sentences:
text: With the exception of United States government-mandated 5 mph bumpers in 1974 and ongoing mechanical changes, the Marathon remained virtually unchanged during its 21-year production run.