Assertion: pen's ink | /r/HasAspect | greater range of colors
Facets:
value: usually
type: TEMPORAL
value: to the use of pigments
type: PURPOSE
Source sentences:
text: The inks usually have a greater range of colors due to the wider choice of suitable water-soluble dyes and/or to the use of pigments.
text: The inks usually have a greater range of colors.