Assertion: rainbow's color | /r/HasProperty | visible
Facets:
value: to the human eye
type: TRANSITIVE-OBJECT
value: in this rainbow
type: LOCATION
Source sentences:
text: Only the long-wavelength red colors are visible in this rainbow.
text: In addition, some colors, such as pink and brown, are indeed visible to the human eye but do not have their own wavelengths and can only be made when combining certain wavelengths.