Assertion: albinism's color | /r/HasProperty | blue
Facets:
value: usually
type: DEGREE
value: to begin
type: TEMPORAL
Source sentences:
text: The color may be blue to begin with and then turn dark brown as the production of melanin increases with age.
text: Iris color is caused by the presence of melanin, so the color of the iris is usually blue, gray, or a mix thereof, but it may be brown, especially in more pigmented races.