Task: Question Answering
Input (English): Question: The average weight of 20 persons sitting in a boat had some value. A new person added to them whose weight was 49 kg only. Due to his arrival, the average weight of all the persons decreased by 5 kg. Find the average weight of first 20 persons?

 Option A: 55

 Option B: 56

 Option C: 57

 Option D: 58

 Option E: 59
Output (English): Option B