Task: Question Answering
Input (English): Question: If Janice was 21 years old z years ago and Lisa will be 19 years old in p years, what was the average (arithmetic mean) of their ages 8 years ago?

 Option A: (z + p

 Option B: (z - p + 24

 Option C: (z - p + 14

 Option D: (z + p + 34

 Option E: (z - p + 24
Output (English): Option E