Question: What are the existing allergen ?
Answers:
answer_text: Egg
answer_text: Fish
answer_text: Oats
answer_text: Milk National Institutes of Health, NIAID Allergy Statistics 2005  
answer_text: Peanut [http://www3.niaid.nih.gov/topics/foodAllergy/understanding/quickFacts.htm National Institutes of Health, NIAID Allergy Statistics 2005]  
answer_text: Shellfish
answer_text: Soy
answer_text: Tree nut National Institutes of Health, NIAID Allergy Statistics  
answer_text: Wheat  
answer_text: Cat