Assertion: duct | /r/CapableOf | become blocked
Facets:
Source sentences:
text: The duct may also fill with fluid and become blocked or clogged with a thick, sticky substance.
text: If the ducts become blocked, they can fill with fluid and expand to form a cyst.
text: It's often not known why the ducts become blocked, but some cases are linked to sexually transmitted bacterial infections (STIs), such as gonorrhoea or chlamydia, or other bacterial infections, such as Escherichia coli (E. coli).