Task: Question Answering
Input (English): Question: Ayesha's father was 28 years of age when she was born while her mother was 15 years old when her brother four years younger to her was born. What is the difference between the ages of her parents?

 Option A: 12 years

 Option B: 17 years

 Option C: 16 years

 Option D: 18 years

 Option E: 10 years
Output (English): Option B