Assertion: mucus | /r/CapableOf | become white
Facets:
value: in colour
type: OTHER
value: after a few days
type: TEMPORAL
Source sentences:
text: After a few days, the mucus becomes white in colour and is thicker.
text: It happens when nose hair cells have been injured by inflammation, so the mucus slows down, loses moisture, and becomes white," says Stringer.