Task: Question Answering
Input (English): Question: The mean of 30 values was 250. It was detected on rechecking that one value 165 was wrongly copied as 135 for the computation of the mean. Find the correct mean.

 Option A: 151

 Option B: 149

 Option C: 152

 Option D: 251

 Option E: None of the above
Output (English): Option D