Task: Question Answering
Input (English): Question: In a family 13 people eat only vegetarian, 7 people eat only non veg., 8 people eat both veg and non veg.. How many people eat veg in the family?

 Option A: 20

 Option B: 11

 Option C: 9

 Option D: 31

 Option E: 21
Output (English): Option E