Assertion: allergy's system | /r/CapableOf | react pollen
Facets:
value: to a foreign substance
type: TRANSITIVE-OBJECT
Source sentences:
text: Allergies occur when your immune system reacts to a foreign substance — such as pollen, bee venom or pet dander — or a food that doesn't cause a reaction in most people.
text: Allergies occur when your immune system reacts to a foreign substance — such as pollen, bee venom or pet dander — or a food that doesn't cause a reaction in most people.