Assertion: background | /r/HasProperty | white
Facets:
value: ideally
type: DEGREE
value: for the mask
type: PURPOSE
Source sentences:
text: The subject should be black and the background should be white for the mask.
text: Ideally, your background is either white or another solid color as this will make background removal much easier.
text: If the background is predominantly high-key or white the viewer will be attracted to darkest most colorful areas.