Assertion: syphilis's symptom | /r/HasProperty | ulcer
Facets:
Source sentences:
text: The first symptom of primary syphilis is an ulcer called a chancre ("shan-ker").
text: the main symptom is a small, painless sore or ulcer called a chancre that you might not notice
text: The first symptoms, which are considered symptoms of primary syphilis, are a sore or ulcer (chancre) that can appear on the penis, vagina, rectum or mouth.