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

Ex Input:
Problem: two unbiased coins are tossed . find the probability of getting two heads ? 
Options: a ) 1 / 2 , b ) 1 / 3 , c ) 1 / 4 , d ) 2 / 3 , e ) 3 / 5

Ex Output:
c


Ex Input:
Problem: from a pack of 52 cards , two cards are drawn together at random . what is the probability that the one is heart and other two is diamond ? 
Options: a ) 238 / 5525 , b ) 176 / 5534 , c ) 253 / 5523 , d ) 234 / 5525 , e ) 1 / 5525

Ex Output:
d


Ex Input:
Problem: in a throw of dice what is the probability of ge æ « ng number greater than 4 
Options: a ) 1 / 2 , b ) 1 / 3 , c ) 1 / 5 , d ) 1 / 6 , e ) none of these

Ex Output:

b