Assertion: rheumatoid arthritis's symptom | /r/CapableOf | spread to knee
Facets:
value: often
type: TEMPORAL
Source sentences:
text: As the disease progresses, symptoms often spread to the wrists, knees, ankles, elbows, hips and shoulders.
text: As the disease progresses, symptoms often spread to the wrists, knees, ankles, elbows, hips and shoulders.