Assertion: golf ball | /r/HasAspect | dimple
Facets:
value: on the surface
type: LOCATION
value: to reduce drag
type: PURPOSE
Source sentences:
text: The reason that golf balls having dimples on the surface is to do with endurance.
text: The reason that golf ball having dimples on the surface is to do with endurance.
text: Golf balls have dimples to reduce drag and create lift.
text: The reason why golf balls have dimples is a story of natural selection.