In this task, you need to provide the correct option for a given problem on probability from the provided options.

Example Input: Problem: what is the probability of randomly selecting an arrangement of the letters of the word ' ' mediterranean ' ' in which the first letter is e and the last letter is r ?
Options: a ) 1 / 13 , b ) 1 / 20 , c ) 1 / 26 , d ) 1 / 50 , e ) 1 / 100
Example Output: c

Example Input: Problem: in a bag containing 3 balls , a white ball was placed and then 1 ball was taken out at random . what is the probability that the extracted ball would turnon to be white , if all possible hypothesis concerning thecolor of theballs that initiallyin the bag were equally possible ?
Options: a ) 2 / 3 , b ) 5 / 8 , c ) 3 / 5 , d ) 3 / 8 , e ) 4 / 9
Example Output: b

Example Input: Problem: what is the probability of getting a sum of 8 or 14 when rolling 3 dice simultaneously ?
Options: a ) 1 / 6 , b ) 1 / 4 , c ) 1 / 2 , d ) 21 / 216 , e ) 32 / 216
Example Output:
a