This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
All of the following are sources of vitamin A except - 
Select and explain. 
A. Egg, B. Milk, C. Sunflower seeds, D. Tomato
C: Sunflower seeds
Answer: C: Sunflower seeds 
Explanation: Vitamin A rich foods are egg ,fish,meat milk,green leafy vegetables,green and yellow fruits.REF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-568