Assertion: street sign | /r/CapableOf | feature white series b
Facets:
value: on a green background
type: LOCATION
value: usually
type: TEMPORAL
Source sentences:
text: Street name signs usually feature white Series B, C or D letters (which may either have all capital letters or a combination of capital and lowercase letters) on a green background (which can also be substituted for other colors, such as blue or brown); freeway guide signs use Series E(M) on said backgrounds.