Assertion: light | /r/CapableOf | create shadow clues
Facets:
value: regarding blocking the light
type: PURPOSE
Source sentences:
text: In omnidirectional open shade or an overcast day where the light creates few highlight or shadow clues regarding 3D blocking the light on one side will have the net effect of making the light from the other direction the more dominant "key" vector in the lighting pattern using a process also referred to as "subtractive lighting".