Assertion: duffel bag | /r/HasAspect | their origin
Facets:
value: in the knapsack
type: LOCATION
value: almost certainly
type: DEGREE
value: in "kit bag"
type: LOCATION
value: in rucksack
type: LOCATION
Source sentences:
text: Duffel bags almost certainly had their origin in the knapsack, rucksack or "kit bag" that soldiers carry.