Assertion: pus | /r/HasProperty | blue
Facets:
value: in very rare cases
type: OTHER
Source sentences:
text: It is most often whitish-yellow in color, although it may also be greenish, brownish, reddish, or even blue.
text: In very rare cases it can also be blue, but this is usually a reaction to only a very few number of pathogens or harmful cells.
text: Pus can also be brown, yellow, white, or rarely, blue.