Show all allergies and their types.
SELECT allergy ,  allergytype FROM Allergy_type
SELECT allergy ,  allergytype FROM Allergy_type
[{'Allergy': 'Eggs', 'AllergyType': 'food'}, {'Allergy': 'Nuts', 'AllergyType': 'food'}, {'Allergy': 'Milk', 'AllergyType': 'food'}, {'Allergy': 'Shellfish', 'AllergyType': 'food'}, {'Allergy': 'Anchovies', 'AllergyType': 'food'}, {'Allergy': 'Wheat', 'AllergyType': 'food'}, {'Allergy': 'Soy', 'AllergyType': 'food'}, {'Allergy': 'Ragweed', 'AllergyType': 'environmental'}, {'Allergy': 'Tree Pollen', 'AllergyType': 'environmental'}, {'Allergy': 'Grass Pollen', 'AllergyType': 'environmental'}, {'Allergy': 'Cat', 'AllergyType': 'animal'}, {'Allergy': 'Dog', 'AllergyType': 'animal'}, {'Allergy': 'Rodent', 'AllergyType': 'animal'}, {'Allergy': 'Bee Stings', 'AllergyType': 'animal'}]