Assertion: air transportation | /r/HasProperty | useful
Facets:
value: for many reasons
type: CAUSE
value: extremely
type: DEGREE
Source sentences:
text: Air transport is useful for aerial spray on pests and insects which cause harm to crops.
text: Air transport is extremely useful for many reasons: it`s convenient, fast, and doesn’t have to compete with natural barriers.
text: Useful for Agriculture: Air transport is useful for aerial spray on pests and insects which cause harm to crops.