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

Ex Input:
Problem: from a pack of 52 cards , 1 card is drawn at random . what is the probability that a king is drawn ?
Options: a ) 1 / 4 , b ) 4 / 13 , c ) 1 / 13 , d ) 3 / 26 , e ) 7 / 52

Ex Output:
c

Ex Input:
Problem: seven 6 faced dice are thrown together . the probability that all the three show the same number on them is ?
Options: a ) 1 / 32 , b ) 1 / 46656 , c ) 1 / 33 , d ) 1 / 38 , e ) 1 / 34

Ex Output:
b

Ex Input:
Problem: two cards are drawn together from a pack of 52 cards the probability that one is the spade and one is a heart is ?
Options: a ) 85 / 852 , b ) 45 / 69 , c ) 18 / 456 , d ) 13 / 102 , e ) 23 / 125

Ex Output:
d