Task: Question Answering
Input (English): Question: 20 throws of a die produces following results
SCORE -- NUMBER OF OCCURRENCES
---1-------------------4
---2-------------------3
---3-------------------5
---4-------------------2
---5-------------------2
---6-------------------4
What is the probability C that one more throw to this series will increase the mean score?

 Option A: 1/6

 Option B: 1/3

 Option C: 1/2

 Option D: 2/3

 Option E: 5/6
Output (English): Option C