Assertion: gutter | /r/HasProperty | margin
Facets:
Source sentences:
text: That space could also be considered a margin, so it could be said a gutter is a margin, but not all margins are gutters.
text: This gutter is also known as a gutter margin, back margin, or blind margin.
text: (Any gutter can also be referred to as a margin, but exterior and horizontal margins are not gutters.)