Assertion: rheumatic fever's heart | /r/CapableOf | become swollen
Facets:
Source sentences:
text: This can cause the heart, joints, brain and skin to become inflamed and swollen.
text: However, in a small number of people – mostly children and young people aged 4-19 years – an untreated strep throat develops into rheumatic fever, where their heart, joints, brain and skin become inflamed and swollen.