Assertion: ankylosing spondylitis's symptom | /r/CapableOf | go for month
Facets:
value: on other days
type: TEMPORAL
value: at a time
type: TEMPORAL
Source sentences:
text: Initially the symptoms may come and go for weeks or months at a time.
text: On other days, worsening symptoms can come out of nowhere and linger for several days, weeks, or months.
text: The first symptoms may come and go over several months.