Assertion: psoriasis's location | /r/HasProperty | knee
Facets:
Source sentences:
text: The most common locations affected are the elbows, knees, scalp, lower back and backside, and the genitals may also be affected, he said.
text: The most common locations on the body for psoriasis to appear are elbows, knees, the belly button, the crease of the buttocks, and sometimes the scalp.
text: The most commonly affected locations are elbows, knees, umbilicus, scalp, and lumbar area.