Assertion: poison ivy's urushiol | /r/HasProperty | the culprit
Facets:
value: behind those wicked rashes
type: OTHER
Source sentences:
text: Urushiol, a clear liquid compound in the sap of each of these plants, is the culprit in causing the itching, redness and swelling associated with these three plants.
text: Urushiol is the culprit behind those wicked rashes that ravage allergic individuals.