Assertion: poison ivy's urushiol | /r/HasProperty | toxic oil
Facets:
Source sentences:
text: Birds, for example, are unfazed by urushiol, the toxic oil produced by poison ivy, and in fact seem to love the berries produced by the plants.
text: The urushiol is a toxic chemical with a mere small amount of exposure to a person can cause contact dermatitis- a rash that spreads all over the skin.