Assertion: poison ivy's urushiol | /r/Causes | allergic reaction
Facets:
value: basically
type: DEGREE
Source sentences:
text: Urushiol is the chemical in poison ivy (and poison oak and sumac) that causes an allergic reaction.
text: Basically, the urushiol causes an allergic reaction which irritates the skin and that is the reason why it is known as an allergen.
text: Urushiol is contained in the resin of the leaves, stem and roots of poison ivy, and only a very small fraction of urushiol can cause an allergic reaction.